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  • Installation method of electric dropbolt lock for glass door
    Installation method of electric dropbolt lock for glass door Oct 27 , 2022
    Although we have enough understanding of the nature and purpose of the electric dropbolt lock itself, but if we want it to really play a certain role in our life, we need to know about the installation of the glass door and the installation of the electric dropbolt lock on the glass door.Step oneFor the installation of anything, we need to find a suitable installation position, and the electr...
  • How To Choose Automatic Door Closers?
    How To Choose Automatic Door Closers? Oct 28 , 2022
    Door closers are mainly used in commercial and public buildings, especially the access control system. They have many uses, chief among them being to allow doors to close on their own to limit the spread of fire and to ventilate the building.What issues should be considered when choosing a door closer?Before choosing a door closer, you should consider door weight, door width, door opening fre...
  • 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...
  • 9 common problems of magnetic lock installation, learn that you are the great god!
    9 common problems of magnetic lock installation, learn that you are the great god! Nov 14 , 2022
    Magnetic lock, as a standard product of access control management system, is often used in closed areas, and it is also one of the most commonly used and cheapest systems in weak current systems. As a physical interception product, the magnetic lock uses a magnet to hold the iron block to achieve the purpose of locking the door, and this magnet is generated by the magnetism of the energized coil. ...
  • Learn about electric RIM locks
    Learn about electric RIM locks Nov 17 , 2022
    Electric RIM lock is a kind of electric lock with a large amount of use. It can be opened electronically or with a key. It is mostly used in building intercom doors (also called electric doors) in residential areas. It is the veteran of electric locks. For a period of time, it represented the electric lock, and now people often use the electric lock as a general term for all electric locks. Howeve...
  • What is the classification and working principle of electric mortise locks?
    What is the classification and working principle of electric mortise locks? Nov 24 , 2022
    What is an electric mortise lock? Maybe many people don't know what is an electric mortise lock? What are the classifications of electric mortise locks, and what is the working principle of electric mortise locks.First. What is an electric bolt lock?1. The electric mortise lock is an electronically controlled lock. On the premise of the cooperation of the "magnetic sheet", the extens...
  • Introduction Of Rim Lock
    Introduction Of Rim Lock Nov 25 , 2022
    The RIM Lock is a mechanical lock device controlled by a relay. at present, a series of products with different structures have been formed, including electric mortise locks (anode locks), cathode locks (electric locks), magnetic locks, electric control locks, etc. . the terminal of the electric lock is actually an electromagnet, which controls a simple mechanical device to open and clos...
  • The Application Of Electric Rim Lock
    The Application Of Electric Rim Lock Nov 25 , 2022
    Electric Rim Lock is also called a motor lock. Its unlocking and locking are not driven by electromagnets like other electric locks. The unlocking and locking of the Electric Rim Lock are driven by a motor, which is why it is also called a motor lock. The appearance of the electromechanical spiritual lock is very similar to the electric control lock, but the working principle is very differen...
  • 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...
  • What is a Magnetic Door Sensor?
    What is a Magnetic Door Sensor? Dec 01 , 2022
    The principle of  Magnetic Door SensorDimension Security Intelligent Door Magnetic Alarm is a convenient and practical safety protection device. It is composed of a switch and a magnet. The switch part is connected by a magnetic reed switch through a lead wire and packaged in a final shape. The magnet part is encapsulated in a plastic or alloy casing by a magnet with a corresponding magnetic ...
  • Never Worry About Forgetting To Bring Your Keys Again
    Never Worry About Forgetting To Bring Your Keys Again Dec 02 , 2022
    A smart padlock does not need a key and can be unlocked by fingerprint recognition. It adopts a semiconductor capacitive biometric fingerprint identification module, aluminum alloy lock body, high-strength stainless steel lock beam, built-in rechargeable lithium battery, and waterproof and dustproof design.Fingerprint padlocks are widely used and are very suitable for lockers in public p...
  • Smart Fingerprint U Lock, A New Way Of Locking
    Smart Fingerprint U Lock, A New Way Of Locking Dec 02 , 2022
    Traditional mechanical U-locks generally focus on firmness, and few people pay attention to the appearance of a U-lock.This fingerprint bike lock follows the traditional U-shaped structure but has been improved in workmanship. The smart fingerprint U-shaped lock is a long lock. The lock body has a matte texture and a soft grip. The locking beam is bright black all over, and the surface is wra...
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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.

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    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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