Access control system
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Access control system

  • How to adjust the closing force of the sliding door with the door closer
    How to adjust the closing force of the sliding door with the door closer Dec 08 , 2022
    What is a door closer? The door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be compressed and released to automatically close the door. It has the function of a spring door and can ensure that the door is closed to the initial position accurately and in time after it is opened. The working principle of the door closer is:When the door is opened, ...
  • Glass door electric mortise lock magnetic lock installation comparison
    Glass door electric mortise lock magnetic lock installation comparison Dec 05 , 2022
    The electric mortise lock looks beautiful in concealed installation, and can open the door 180 degrees inside and outside, but it is not as strong and durable as the magnetic lock. It needs to dig a lock hole, and the construction and installation are more complicated. It can be used in the following three types of glass doors:1. Glass door with upper and lower edges2. The glass door with upper ed...
  • What is a smoke alarm and what are smoke alarms used for?
    What is a smoke alarm and what are smoke alarms used for? Dec 01 , 2022
    Smoke alarm is actually another name for smoke detector sensor or smoke alarm. This smoke detector is the first to obtain the latest household detector standard 3C certification, and it is a recommended product for fire brigades around the world. It is easy to install and has remarkable effects, and has been widely used in important fire prevention places such as homes, factories, office buildings...
  • About the installation of smart door locks, you should know these!
    About the installation of smart door locks, you should know these! Nov 28 , 2022
    With the development of society, smart products gradually enter ordinary families, bringing convenience to people's lives, but for installation, it is not a simple matter. Let's take a look at what problems need to be paid attention to in the installation of smart door locks today!01. During the installation process of the smart lock, it is necessary to measure the width and thickness of t...
  • Precautions For Installation Of Four Common Detectors
    Precautions For Installation Of Four Common Detectors Nov 18 , 2022
    Precautions For Installation Of Four Common Detectors1. Installation requirements for door magnetic detectors.The door magnetic detector is installed on the door frame of the door or window you need to control, that is, the door magnetic detector (main part, auxiliary part) is fixed on the frame of the door and window.2. The false alarm rate has a great relationship with the installation position....
  • What Should I Pay Attention To When Installing An Access Controller?
    What Should I Pay Attention To When Installing An Access Controller? Nov 18 , 2022
    The core of the access control system is the combination of modern computer technology and various identification technologies, which embodies an intelligent management method.(1) Anti-electromagnetic interferenceFor access control readers and plastic access exit buttons, special attention should be paid to preventing electromagnetic interference, especially the interference problems of ...
  • Types of electric mortise locks
    Types of electric mortise locks Nov 07 , 2022
    Electric mortise locks are divided into: two-wire electric mortise locks, five-wire electric mortise locksTwo-wire electric mortise lock: There are two wires, red and black, red is connected to power +12VDC and black is connected to GND. Disconnect either wire, the lock retracts, and the door opens. The two-wire electric lock is relatively simple in design and has no single-chip control circuit. T...
  • What is a smoke alarm?
    What is a smoke alarm? Nov 07 , 2022
    The smoke alarm is one of the most common fire early warning devices. It can accurately sense the smoke generated by the fire in the early stage of the fire, and quickly give people an early warning to prevent the spread of the fire.What is a smoke alarm?1. The development process of fire is roughly divided into the initial stage, the development stage and the decay and extinction stage.2. The smo...
    Tags : smoke alarm
  • Why Do You Need A Safety Relay Module?
    Why Do You Need A Safety Relay Module? Nov 04 , 2022
    Why do you need a safety relay module?There are many types of intelligent Relay modules. With the rapid development of science and technology, the application fields of intelligent relay modules will become wider and wider, such as mechanical control in industry 、automatic door openers, lighting control switches in civil use, and other automatic system control occasions.Usually, the wiring mode of...
  • Fire sound and light alarm, have you installed it in your home?
    Fire sound and light alarm, have you installed it in your home? Oct 31 , 2022
    Fire sound and light alarm is a kind of alarm that can emit sound and light signals at the same time. Mainly used in fire-hazardous places, it can emit harsh sounds and various lights to remind people to escape when it is started.Sound and light alarms are divided into two types: coded type and non-coded type. The coded type has address coding, which is more convenient to operate. A certain sound ...
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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:#601,floor 6 ,building 1,JINFANGHUA industrial zone, 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.

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