About Us
30
Years of experience
S4A is a manufacturer for Automatic Door Opener, Electromagnetic locks, Access control, UHF RFID reader etc in Shenzhen, China since 2010,            
  S4A-Security For All.  S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.We can create value for you! 1-We put quality and price in top priorityQuality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customers who have cooperated with S4A will choose 2nd,3rd, and endless purchasing. because S4A not only controls the product quality very well, but the price is also very reasonable. As you can see, we have hundreds of products, but We do not produce all products. We adopt a portfolio strategy and invest in each factory. Because of the large export volume and the stable cooperation relationship with the factory, we can better control the quality and price of the products. Cooperate with us, you have no worries. In the past 10 years, more than 80% of our customers' sales have increased turnover by 15-20% every year. 2 -We have experienced and professional sales Our sales are not just sold products, we also help you choose products, do market research. Our company's top sales team all have more than 8 years of experience in the access control market, our team loves learning, loves sharing, good at summarizing, and dare to undertake responsibility. Because all of us regard the access control field as a career we love throughout our lives. At S4A, you can get a quick response and flexible support, and you can see our ability to solve problems. get professional guidance and recommendations, you don't have to worry about after-sales at all. Our task is: All emails must be replied within 2 hours at a working time!3-We have experienced and professional engineer S4A is equipped with 6 technical engineers for after-sales. and every year, We take out 20% of the net profit as research and development for new products, We all know Access control system is a kind of product with technical knowledge. When you have headaches such as unable to connect wires, Software compatibility issues or programming device, please remember S4A's after-sales support at any time. Our task is: All technical issues must be solved within 4 hours at a working time!4-Support OEM & ODM  All of our products accept OEM and ODM orders at a reasonable quantity. we help customers to promote their brand. We all know Access control is an increasingly popular industry. Based on past experience, we have found that customers who have just started to become distributors do not have a large number, but want to promote their own brands. For this kind of customer, we will also have a special application to do OEM for him. Because Support is mutual.5. S4A Vision Our Vision is to let all people in the whole world free their hands for keys, whether it is in poor areas or developed cities able to use access control.
4750
Success case
150
Global Locations
99
%
Customer praise
PRODUCT APPLICATION

With a branch office in Qatar, and sole agent in Singapore, Malaysia, The Democratic Republic of the Congo, South Korea, and Egypt. S4A's products circulate around the world.

Read More
Access Control systems with Pedestrian turnstile gate application
Access Control systems with Pedestrian turnstile gate application

The use of access control systems in life has gradually become widespread, and different types of access equipment are required in a different entrance and exit scenarios. For example, three roller gates and turnstiles in stadiums, pedestrian passages in campuses, enterprises, and high-end intelligent buildings. While they effectively help the staff to reduce work pressure, they also ensure the safety of traffic.   Access control gate system has the following five advantages:   1. Simple and easy to use. Existing access control management personnel only need to go through simple training to be able to operate. The maintenance personnel of the access gate can find the fault in a few simple operations, which can be quickly and conveniently eliminated.  2. Advanced technology. Using the most popular wireless network management system at present, the channel gate ensures that your management system will not lag behind in ten years.   3. Low overall cost. From the perspective of installation, debugging and wiring, the use of TCP/IP transmission can reduce a lot of investment. In addition, the construction period is short, which saves wire and labor costs, and is very easy to maintain. Therefore, the use of access control gate system, More advantages in cost.   4. There are many uses. The channel gate management system uses a non-contact smart IC card, also known as a radio frequency card, which successfully solves the problems of multi-use, confidentiality, wear-free, and easy operation of the IC card greatly improves the practicability of the system and can perform a single card After multiple authorizations, the channel gate can be used for other application management. Such as attendance, consumption, parking management, patrol, personnel.   5. Convenient expansion. The computer and the intelligent management system adopt wireless communication, and the channel gate can expand the number of channels at will. That is, when the corresponding control system is installed, if the number of intelligent access gates and elevator control equipment needs to be increased, the hardware only needs to increase the corresponding access gates, and the software can set the new equipment.Three influencing factors of the access control system:  As an intelligent access control system, its much more complicated than traditional access control unit. Naturally, there are more factors affecting its functions. There are three main aspects in a simple understanding:  1, design styleHigh-end pedestrian passages need to integrate product safety, modern, and concise design concepts with the building environment and architectural style; the line is mainly streamlined, reflecting the concise and comfortable style, and the material is more glass and stainless steel. The stylish and transparent design of the company is consistent with the construction style of intelligent buildings; and the high-end pedestrian walkway products have obvious differences in metal surface processing...

Read More
What's kind of sensor we are using for the Automatic Door opener?
What's kind of sensor we are using for the Automatic Door opener?

What's kind of sensor we are using for the Automatic Door opener? Active Infrared Functional Principles: An Active Infrared Detector always consists of one transmitter and at least two receiver chips with high-quality optical systems. The scanning range is set by means of a mechanical micro-speed unit by changing the angle between the transmitter and receiver. This optical procedure is called triangulation or optical differential measurement. Active Infrared Detectors are static—they only detect persons and objects if they break the beam. The detection area consists of spots, and depends to a large extent, on the optical center-to-center distances of the transmitter and receiver lenses. Several beams can be combined in a modular system to form a larger area. Choose from: Background suppression presence detectors are used on moving parts like a swing door or revolving door. This system does not require a background like a wall or floor. Background analysis requires a signal from the background in order to switch the output. The sensor is installed and requires a background (floor/wall). The output is deactivated.The desired scanning range is set mechanically within the predefined possible distances.Each object within the set scanning range is detected statically.Passive Infrared Functional Principles: Passive Infrared Sensors function in a similar way to infrared cameras used to detect heat loss from buildings. The infrared-sensitive sensor forms a heat image of the defined area to be monitored. After an initial set-up time of approximately 20 seconds, the measured infrared image is saved. The sensor switches if the heat image changes as a result of movement. Two conditions must be fulfilled here: 1. There must be a temperature difference of +/- 1.8 F between the object to be detected and the background.2. The object to be detected must move at a rate of at least 4 inches per second. The system is ideal for detecting people only if— there is always a difference of at least 1.8 F between the surface temperature of a clothed person and the surrounding environment. For reasons of a physical nature, this technology should only be used to detect living beings as it’s not always possible to guarantee that the difference in temperature between items such as shopping carts or vehicles, and that of the surrounding environment will be great enough. Microwave sensor ( we have 2 models are available to choose, M204 and M204-T)So, we need to know first what is a Microwave Motion Sensor?A microwave motion sensor uses electromagnetic radiation. It emits waves that are then reflected back to the receiver. The receiver analyzes the waves that are bounced back. If there is an object moving in the room, these waves are going to be altered. The microwave detector is able to identify changes from moment to moment. Ideally, the receiver should be receiving the same waves back again and again.Beca...

Read More
Six application areas of Door access control systems
Six application areas of Door access control systems

1: Office Building The installation of access control in the company gate can effectively prevent outside salesmen from entering the company and disrupt, and it can also effectively prevent outsiders from entering the company, ensuring the safety of the company and employees' property. It Can effectively track whether employees leave their posts without authorization. The attendance can be checked through the supporting attendance management software, without the need to buy a clock, the attendance results are more objective and fair, and the statistics are fast and accurate, which can greatly reduce the work intensity and workload of the personnel department. It can effectively solve the problem that some employees have to replace the door key for fear after leaving. You can conveniently and flexibly arrange anyone's authority and opening time for each door. You only need to take a card, without taking a large number of heavy keys, and the security is more reassuring than the keys. 2: Application of access control systems in the Community Generally, access control systems are installed on residential gates, fence gates, electric doors, iron doors, fire doors, and anti-theft doors of units. (you could choose locks for indoor use or outdoor use if, for outdoor, we recommend to take EL-W600 280KG IP65 waterproof version), It can effectively prevent idle people from entering the community, and conduct closed management of the community. It can change the inaccurate and imprecise management method of the community security who rely on memory to determine whether it is an inaccurate and inaccurate management method by outsiders. If it is a community owner, the new security guards will cause disgust from the owner. If outsiders are well dressed, the security guards may think they are the owners and do not interrogate them. This will also bring about safety hazards. A safe and scientific access control system can improve the quality of the property and is more conducive to developers to promote real estate. Owners will also benefit from scientific and effective access management. The networked access control facilitates the security to monitor the entry and exit of all gates at any time. If there is an accident or case, the entry and exit records can be inquired to provide evidence afterward. It can be combined with building intercom system and video intercom system. It can realize the all-in-one card with the internal consumption parking lot management of the community. 3: Application of access control in government offices It can effectively regulate the office order, can prevent illegal personnel from attacking government offices, and protect the personal safety of leaders. 4: Application of access control in the medical hospital system It can prevent outsiders from entering the infected area and precision equipment room. 5: Application of access control in telecom stations and power supply bu...

Read More
Network access control systems for Hotel management
Network access control systems for Hotel management

The hotel management network access control system is developed and designed by S4A in conjunction with the hotel industry. Its working mechanism is a Mifare card reader installed at the door of each room. When a guest checks in, the Receptionist will send the room number, check-in time, and check-out time through the card issuer (PCD-122 or MCI-109). Enter it into the software of the management, and authorized the cards according to the time and date then upload it to the control host. After the guest arrives at the door of the room, swipe the card on the card reader, it will read the ID number of the card and uploads it to the controller for permission confirmation, and then controls the electric lock to open the door, otherwise, the door cannot be opened. At the same time, the controller saves the door opening information. If the main console is in a "real-time" state, it will be transmitted to the computer control center at the main station via TCP communication, and the door opening information will be displayed on the computer in time. Such as a certain guest, certain time, opening a certain room, etc. The inductive IC card access management control system (referred to as the RFID access control system) has multiple functions such as door access control, real-time monitoring, attendance records, and security alarms. All these functions, you might check it via S4A access control software, It is mainly convenient for staff to enter and exit, and to prevent unauthorized staff to enter, which is convenient for management for all users.Author: Written by Mr.Andy Zhang from S4A INDUSTRIAL CO.,LIMITED

Read More
Electromagnetic locks application filed
Electromagnetic locks application filed

Electromagnetic locks are highly reliable, long-lasting units compared to other electric locking devices because there are no moving parts involved in their operation. They are also the staunchest of fail-safe units because there is no mechanism that can cause sticking and binding. The versatility of electromagnetic locks allows them to be used almost anywhere electric strikes and electric bolt locks are used, but with these feature advantages:Most secure deviceThe most fail-safe locks easily adapt to meet Fire Safety requirementsMost Durability – no moving parts, minimally effected by overvoltageMost Minimal maintenanceMosttWell adapted to poorly fitted or poorly hung doors Inner office door by a receptionist behind a window or desk. To release the door, he or she merely has to press a button under the desk, We need to configure the EB-19B button together. Applications as below: • Employees enter a workplace through a common door equipped with a card reader.• Dormitory room and bathroom applications where there can be privacy but someone has the authority to open in an emergency.• A laboratory room where at night the deadbolt can be thrown but in an emergency, the door can be unlocked• Electric lock is fail-safe and when the power of the building is cut, the designated doors are unlocked.• Nursing home rooms offering privacy but in an emergency, the door can be unlocked.Author: Written by S4A-Access from S4A INDUSTRIAL CO.,LIMITED

Read More
Application of RFID technology in the field of fire protection
Application of RFID technology in the field of fire protection

With the rapid development of urbanization in cities, large-scale construction of buildings, a large number of people entering and exiting activities every day, electric vehicles in the community, and the safety of residents' electricity use, fire safety is a very important concern. In a complex social environment, how to improve, innovate, and scientifically manage management models must make full use of various advanced scientific and technological means to enhance the service concept and quality of fire protection work. With the continuous advancement of science and technology, the gradual development of technical and hardware conditions, the rapid expansion of industrial scale, and the vigorous supervision of relevant departments, smart firefighting has emerged. Smart firefighting refers to the use of the Internet of Things, big data and other technical means to organically link firefighting facilities, socialized firefighting supervision and management, firefighting and rescue and other elements through Internet of Things information sensing and communication technologies to achieve real-time, dynamic, interactive, Integrated fire protection information collection, transmission and processing, comprehensively promote and improve the level of fire supervision and management, enhance the command, dispatch, decision-making and disposal capabilities of fire fighting and rescue, improve the intelligent and social level of fire management, and meet the "automation" of fire prevention and control , The actual needs of "intelligence" fire fighting and rescue command, "systematization" of daily law enforcement work, and "refined" military management, realize smart prevention and control, smart operations, smart law enforcement, and smart management, and create a "firewall" from the city to the home . Smart firefighting uses RFID technology to scan tags for daily fire prevention inspections by posting encrypted RFID radio frequency tags and establishing ID cards on key firefighting parts and firefighting facilities of the unit. In addition, the system will automatically prompt the inspection standards and methods of various fire-fighting facilities and key parts, and automatically record the inspection traces of inspectors, replacing the traditional paper inspection records. It has changed the status quo that traditional fire prevention inspections are not in place and inspection records are untrue. The maintenance and inspection of fire-fighting equipment is a major foundation of smart fire-fighting construction.Author: Written by S4A from S4A INDUSTRIAL CO.,LIMITED

Read More
Join us, become our overseas partner. we could create brilliance together.
GET A QUOTE
S4A Cooperated Partner

15 years of production experience.Support OEM and ODM orders.Welcome to visit and negotiate.

latest news

Standalone Access Control Production Line
January 03, 2023
Standalone Access Control Production Line

S4A is a security access control product integrating R&D, production, and sales. Headquartered in Shenzhen. S4A has been working hard in the access control industry for more than +15 years, We have got strong technical support from various main chips, PCB, and housing manufacturers, and integrated a complete industry application supply chain system. With strong product R&D/design capabilities and cost advantages, we can provide you with assured services.S4A with 5self-factories in the Access Control industry, The main production line is, Network access controllers, Electromagnetic lock, Rfid standalone access control, UHF long-range reader, Automatic Swing door opener, etc, and related accessories. The company is committed to continuously developing new products, opening up new markets, vigorously promoting "5S" management, and strengthening the concept of civilized production. With good credit and excellent service, we have established long-term cooperative relations with many enterprises. Over the years, a full range of products have spread all over the world, Southeast Asia, South America, Europe, Africa, Asia, and other regions, and have won the trust of our customers. Based on the tenet of "quality first, service first, reputation first", we will create brilliance with new and cooperative customers with a professional and innovative business philosophy and a professional spirit of efficiency first.  From the purchase of raw materials, then each shell must be inspected.

Read More
  • Holiday Notification - Labor Day in 2023
    April 30, 2023
    Holiday Notification - Labor Day in 2023

    Please be advised our company will be closed from 29th, April 2023 to 3rd, May 2023 for the Labor Day holidays. We will resume normal operation on 4th, May 2023 and continue to provide services for you. Thank you for your attention and kind cooperation with S4A, we wish you great success and business!During the holiday, we have sales on duty to provide service.Email: sales@s4a-access.comTel No.+86 755 29450011

  • Benefits of using a networked control panel
    March 11, 2023
    Benefits of using a networked control panel

    A networked control panel can offer several benefits in various settings, including industrial automation, building automation, and home automation. Here are some of the main benefits:1,Centralized Control2,Improved Communication3,Enhanced Security4,Remote Access5,Scalability1,Centralized Control: A networked control panel can provide centralized control and monitoring of all connected devices and systems. This can simplify management and increase efficiency, as operators can quickly identify and resolve issues from a single interface.2,Improved Communication: Networked control panels enable real-time communication between connected devices, enabling faster decision-making and response times. This can be critical in industrial or building automation settings where even a small delay can result in costly downtime or safety issues.3,Enhanced Security: Networked control panels can provide enhanced security features such as user authentication, access controls, and encryption. This can help prevent unauthorized access or tampering with critical systems and data.4,Remote Access: With networked control panels, it is possible to access and control connected devices remotely from anywhere with an internet connection. This can be particularly useful in situations where operators need to monitor or adjust systems from off-site locations.5,Scalability: Networked control panels can be easily expanded as the number of connected devices or systems increases, making it possible to accommodate growth and changing needs over time.Overall, a networked control panel can provide significant benefits in terms of efficiency, communication, security, and scalability, making it a valuable tool for a wide range of applications.

  • What are the advantages of installing a Magnetic Shear Lock?
    May 26, 2023
    What are the advantages of installing a Magnetic Shear Lock?

    A magnetic shear lock, also known as an electromagnetic shear lock or maglock, is a security device commonly used in access control systems to secure doors. It consists of two main components: an electromagnet mounted on the door frame and a metal plate attached to the door. When activated, the electromagnet generates a strong magnetic field that holds the metal plate in place, preventing the door from being opened.Here is a detailed description of a magnetic shear lock:Design and Installation: A magnetic shear lock typically features sturdy construction with an electromagnet encased in durable housing. The electromagnet is installed on the door frame, while the metal plate, often made of steel, is fixed to the door. The two components align when the door is closed, allowing the electromagnet to secure the door effectively.Working Principle: When an electric current passes through the electromagnet, it generates a powerful magnetic field. This magnetic field attracts the metal plate, creating a secure bond between the door frame and the door. The magnetic force is strong enough to withstand a significant external force, providing a reliable barrier against unauthorized entry.Control and Activation: Magnetic shear locks are typically controlled by an access control system, which can include keypads, card readers, biometric devices, or centralized control software. When a valid access credential or command is received, the control system activates the magnetic shear lock, allowing the door to be securely locked or unlocked.Advantages of Magnetic Shear Locks:Strength and Security: Magnetic shear locks offer high-strength locking capabilities, providing a robust level of security. The magnetic force between the electromagnet and metal plate is difficult to overcome, making it challenging for unauthorized individuals to force open the door.Fail-Safe Operation: In the event of a power failure, most magnetic shear locks are designed to release automatically, ensuring that occupants can safely exit the premises without being trapped inside. This fail-safe feature enhances safety in emergency situations.Quick Response Time: Magnetic shear locks can be activated and released rapidly, allowing for efficient access control. This is especially beneficial in high-traffic areas or during emergency situations where quick access is crucial.Durability and Low Maintenance: These locks are typically built to withstand heavy use and adverse environmental conditions. With no moving parts, they have a longer lifespan and require minimal maintenance compared to mechanical locks.Versatility: Magnetic shear locks can be used with various door types, including wooden, glass, and metal doors. They are suitable for both interior and exterior applications, offering flexibility in their installation.It's worth noting that while magnetic shear locks provide strong security for access control, they may not be suitable for all applications. Factors such as fire safety regulat...

Contact Us
  S4A-Security For All.  S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.We can create value for you! 1-We put quality and price in top priorityQuality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customers who have cooperated with S4A will choose 2nd,3rd, and endless purchasing. because S4A not only controls the product quality very well, but the price is also very reasonable. As you can see, we have hundreds of products, but We do not produce all products. We adopt a portfolio strategy and invest in each factory. Because of the large export volume and the stable cooperation relationship with the factory, we can better control the quality and price of the products. Cooperate with us, you have no worries. In the past 10 years, more than 80% of our customers' sales have increased turnover by 15-20% every year. 2 -We have experienced and professional sales Our sales are not just sold products, we also help you choose products, do market research. Our company's top sales team all have more than 8 years of experience in the access control market, our team loves learning, loves sharing, good at summarizing, and dare to undertake responsibility. Because all of us regard the access control field as a career we love throughout our lives. At S4A, you can get a quick response and flexible support, and you can see our ability to solve problems. get professional guidance and recommendations, you don't have to worry about after-sales at all. Our task is: All emails must be replied within 2 hours at a working time!3-We have experienced and professional engineer S4A is equipped with 6 technical engineers for after-sales. and every year, We take out 20% of the net profit as research and development for new products, We all know Access control system is a kind of product with technical knowledge. When you have headaches such as unable to connect wires, Software compatibility issues or programming device, please remember S4A's after-sales support at any time. Our task is: All technical issues must be solved within 4 hours at a working time!4-Support OEM & ODM  All of our products accept OEM and ODM orders at a reasonable quantity. we help customers to promote their brand. We all know Access control is an increasingly popular industry. Based on past experience, we have found that customers who have just started to become distributors do not have a large number, but want to promote their own brands. For this kind of customer, we will also have a special application to do OEM for him. Because Support is mutual.5. S4A Vision Our Vision is to let all people in the whole world free their hands for keys, whether it is in poor areas or developed cities able to use access control.<
Leave A Message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

about

contact