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  • 03Jan
    Standalone Access Control Production Line

    Headquartered in Shenzhen. S4A has been working hard in the access control industry for more than +15 years,We have got strong technicalsupport 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 haveestablished long-term cooperative relationswith 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 professionaland innovative business philosophy and a professional spirit of efficiency first.  From the purchase of raw materials, then each shell must be inspected.

  • 31Jan
    S4A 2024 New Year Holiday Notice

    Dear All S4A's Partner,As the year draws to a close, we find ourselves reflecting on the incredible journey we've had, and it fills us with gratitude for the unwavering support we've received from each one of you.To our valued partner, both New and Cooperated, we extend our sincerest appreciation for your continued trust in S4A Industrial Co.Limited, Your loyalty has been the driving force behind our success, and we are truly thankful for the privilege to serve you.This year presented its own set of challenges, and your understanding and flexibility have been instrumental in helping us navigate through them. Your patience during times of change and your willingness to grow with us have not gone unnoticed. It is the partnership we share with each one of you that makes our journey so rewarding.As we look ahead to the upcoming year, we are excited about its opportunities and possibilities.We are committed to providing you with even better access control or automatic door openers/services and an enhanced customer experience. Your feedback has been invaluable in shaping our offerings, and we look forward to continuing this collaborative journey with you.May the coming year bring prosperity, joy, and success to you and your loved ones. We are truly grateful for the relationships we have built, and we look forward to another year of shared accomplishments.Thank you for being an integral part of S4A Industrial Co.Limited, Wishing you a joyous the holiday season and a fantastic New Year!Warm regards,S4A Industrial Co.Limited

  • 02Nov
    S4A attended the 19th China Public Security EXPO

    CPSE 2023 - THE 19TH CHINA PUBLIC SECURITY EXPOWe trust this letter finds you well. We are writing to express our sincere gratitude for your visit to our booth at CPSE inShenzhen and for your continued support as our valued customer. It was truly a pleasure meeting both new and familiar faces during the exhibition. Your presence not only made the eventspecial for us but also contributed to its overall success. We hope you had a chance to explore our latest products andinnovations, and we appreciate the time you took to engage with our team. Your interest in our offerings and insightful conversations were invaluable. We are committed to continuously improvingour products and services, and your feedback plays a crucial role in shaping our future endeavors. Rest assured that we havetaken note of your comments and suggestions, and we are dedicated to incorporating them into our ongoing efforts. Should you have any further questions or if there is anything else we can assist you with, please do not hesitate to reachout. We value your business and look forward to serving you in the future.Once again, thank you for your support. We are grateful to have you as part of our extended family of customers.

  • 19Sep
    In addition to ordinary access keytags, what other shapes S4A can we provide?

    S4A Access key tags or key fobs can come in a variety of shapes and designs to suit different purposes and preferences. Here are some alternative shapes and styles S4A can provide for key tags.What is the role of the access control keychain?An access control keychain, often referred to as an access control key fob or keytag, plays a crucial role in the field of security and access control systems. Its primary role is to provide a convenient and secure way for individuals to gain access to restricted areas, buildings, or resources. Here's a more detailed breakdown of the role of an access control keychain:Authentication and Identification: Access control keychains are typically assigned to authorized personnel or individuals. Each keychain is associated with a unique identifier, such as a serial number or RFID (Radio-Frequency Identification) tag. When presented to an access control system, this identifier is used to verify the person's identity and determine their access privileges.Access Control: Access control keychains are used to control entry and exit to secure areas. They enable or disable access based on the permissions associated with the keychain's identifier. This helps prevent unauthorized individuals from entering restricted zones.Convenience: Keychains are compact and easy to carry, making them a convenient method for individuals to access secured locations. Users can simply present their keychain to a reader, and the system will respond accordingly, either granting or denying access.Enhanced Security: Access control keychains enhance security by reducing the risk of unauthorized entry. Unlike traditional keys that can be easily duplicated, keychains with electronic identifiers are much more difficult to clone or replicate. Additionally, lost or stolen keychains can be quickly deactivated in the system to prevent misuse.Audit Trail: Many access control systems log access events, including when and where keychains were used. This audit trail provides valuable information for security personnel, helping them monitor and investigate any suspicious activities or breaches.Integration: Access control keychains can be integrated into broader security systems, including video surveillance, alarm systems, and visitor management systems. This integration enhances overall security and provides a comprehensive view of access-related events.Time-Based Access: Some access control systems allow administrators to set specific time-based access rules. Keychains can be programmed to grant access only during certain hours or days, further controlling and securing access.Multi-Functionality: In addition to physical access control, keychains can be used for other purposes, such as cashless payments within a facility, tracking attendance, or managing equipment loans.Visitor Management: For temporary access, keychains can be issued to visitors or contractors, allowing them limited access during their visit. These keychains can be easily deactiv...

  • 28Sep
    S4A National Day Holiday Notice in 2023

    Dear All respected S4A's Partner:We are pleased to inform you that in celebration of our nation's National Day, our office will be closed from 29th, Sep to 6th, Oct,2023We kindly request that all S4A employees plan their work accordingly to ensure a smooth transition during this holiday period. Our office will resume on 6th, Oct 2023(During this time,  S4A company has personnel on duty, and the working hours are from 9.00 a.m. to 18.00 p.m. For any further inquiries or technical support, you are warmly welcome to email: or call us directly: 0086 134 1050 0721We hope you have a wonderful National Day, filled with joy and patriotism. Enjoy this special day with your loved ones, and let us come back refreshed and energized to continue our work together.Thank you for your understanding, and we look forward to rejoining you after the holiday.Warm regards,

  • 11Mar
    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.

  • 26May
    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...

  • 08Feb
    Instructions on K80 Access Power supply Terminal Control+ and Control-

    We found that many customers have asked about the connection method of the terminals on the K80 access control power supply. What is this for? How is this wired? What products does it work together?95% of people know about normal wiring.Similar to the following.but What is this for the -Control and +Control, How is this wired?In order to facilitate everyone to find more comprehensive information.Our designer has just drawn a connection diagram for your reference.These two terminals are mainly connected to the building intercom machineto work together and are used to supply power to the building intercom. as below: No matter what aspect of the problem, feel free to drop me a message if you need my help.or WhatsApp me: 0086 134 1050 0721  or email back to: at any time...

  • 31Aug
    Analysis of the development trend of Network Access Control systems and solutions-1

    Driven by technologies such as artificial intelligence and the Internet of Things, the technological innovation of Network Access Control system has entered a new stage, which is both an opportunity and a challenge for the application of the access control industry. The development of the Internet of Things, the increasing maturity of artificial intelligence, the implementation of face recognition technology and the continuous decline of equipment manufacturing costs, coupled with the high popularity of biometrics, make the promotion of smart access control more favorable. However, there is still room for improvement in its security and stability. It can be said that ensuring the security of Network Access Control Panel is a long-term and continuous challenge. It is not only intelligent, convenient, but also safe and stable. This is the development ambition of access control enterprises and the development direction of the industry. Achieving the security and convenience of the access control system is the choice for enterprises not to forget their original intentions and to live up to the futureForeword: The advancement of artificial intelligence and mobile Internet technology has stimulated a new round of development of the entire access control industry, bringing new players to the industry and new ideas for the development of the entire traditional access control industry.Any product that changes people's daily behavior is inseparable from the support of several technological innovations. In this world where information technology is rapidly updated and potential threats are constantly changing, smart access control can be said to be a product of the times - the Internet of Everything makes the access control system an existence beyond security and has a wider range of application scenarios; Self-learning and self-thinking; the biometric function allows users to free their hands and become a pass.In addition, in terms of technology, artificial intelligence technology, Internet of Things and mobile Internet applications (such as the widespread use of mobile phone Bluetooth, NFC and other technologies) have brought new opportunities for the development of the access control industry. From a policy perspective, the national and local standards for the access control industry issued in 2018, such as the national standard GB/T 37078-2018 "Technical Requirements for Entry and Exit Control Systems", have promoted the development of intelligent access control. So how should smart access control in the new era develop to surpass security, meet future needs, and present more value?Of course, if you want to learn more or have a deeper discussion, you can add our whatsapp: 0086 134 1050 0721  (Anna Zhang).Ms  or email back to me: sales1@s4a-access.comAuthor: Written by Ms.Anna Zhang from S4A INDUSTRIAL CO., LIMITED

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New Products

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.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality 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 customer...<
  • Address

    Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:2nd Floor of Jinmin'an Industrial Zone, #529, Bulong Rd. Bantian St. Longgang Dist. Shenzhen, PRC.

  • Call us

    0086 755 29450011

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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.