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  • The principle and application of electric dropbolt lock
    The principle and application of electric dropbolt lock Feb 23 , 2023
    The principle and application of electric dropbolt lockCommonly used electric locks for access control include: electric dropbolt locks, magnetic locks, electric locks, electric control locks, etc.Electric dropbolt lock: Also called "anode lock", it is actually just a kind of "anode lock", which is an electric lock that opens the door when the power is off. Because accordi...
  • Fireproof Material Wired Doorbell
    Fireproof Material Wired Doorbell Feb 24 , 2023
    Doorbells are used to alert people inside a home or building to visitors outside. They provide a convenient and secure way of allowing people to gain entrance without having to open a door or window. The main advantage of using a doorbell is that it gives visitors the ability to alert people inside the building without having to shout or knock. It also allows those inside to be able to i...
  • Electric lock installation
    Electric lock installation Mar 02 , 2023
    In most cases, some accessories must be selected for the installation of electric control locks. Users should clearly describe the specific door conditions and installation requirements when selecting electric control locks. The following is a detailed introduction to the accessories that may be used in the installation of several electric RIM locks.The lower door clamp matched with the electric s...
  • Power Supply Access Control System
    Power Supply Access Control System Mar 03 , 2023
    12V3A Access Control Power Supply:Usage:Plug the access control power supply into a 220V AC socket, and then connect the power output line to the power input of the access control system.Advantages:1. Stable output voltage and current can ensure the normal operation of the access control system.2. With overload protection, overcurrent protection, short circuit protection, and other features, it ca...
  • Automatic Sliding Door Operator
    Automatic Sliding Door Operator Mar 06 , 2023
    Automatic sliding door machine is an advanced door control system, which has the following features:1. Automatic door opening and closing2. Smooth operation3. Safe and reliable4. Remote control5. Multiple opening methods6. Energy saving and environmental protection1. Automatic door opening and closing: The automatic sliding door machine can automatically sense people or vehicles approaching the do...
  • Magnetic lock Features
    Magnetic lock Features Mar 06 , 2023
    Magnetic lock is a common electronic lock with the following features:1. High security2. Electronic control3. Low energy consumption4. Quick opening5. Waterproof and moisture-proof6. High reliability1. High security: The magnetic lock has a strong locking force, and it is not easy to be damaged after locking the door, which can effectively guarantee the security of the door.2. Electronic control: ...
  • Rolling Code Remote Control Receiver Switch
    Rolling Code Remote Control Receiver Switch Mar 10 , 2023
    The remote control receiver switch is a device that receives and decodes the rolling code signal sent by the wireless remote control. It is usually composed of two parts, a receiver and a decoder, which can convert the received signal into a corresponding digital code, and then control the switch state of the connected device through the circuit. This receiving switch adopts advanced digital ...
  • Features of TTlock Fingerprint Lock
    Features of TTlock Fingerprint Lock Mar 13 , 2023
    TTlock fingerprint lock is a smart lock with the following features:1. Fingerprint identification2. Password input3. IC card identification4. Anti-pry alarm5. Anti-vandalism alarm6. Remote control7. Low battery alarm8. A variety of colors9. Multiple installation methods1. Fingerprint identification: Adopting high-precision fingerprint identification technology, it can accurately and quickly identi...
  • Introduction to the difference between cathode lock and anode lock
    Introduction to the difference between cathode lock and anode lock Mar 13 , 2023
    The cathode lock is locked or unlocked by the principle of pushing or pulling the release lever generated by electromagnetic force. The general name of the electric lock is that it usually works by electromagnetic force generated by electromagnetic force. There are two working modes of cathodic locks: one is power-off lock type, that is, the lock tongue cannot be opened when there is no power on, ...
  • Functional characteristics of fire exit lock escape push rod lock
    Functional characteristics of fire exit lock escape push rod lock Mar 20 , 2023
    The fire exit lock escape push rod lock is a safety lock used for emergency escape and fire extinguishing. Its functional characteristics are as follows:1. Emergency escape2. Anti-theft protection3. Durability4. Simple and easy to use5. Compliance1. Emergency escape: The fire exit lock escape push rod lock can easily open the door lock from the inside by gently pushing the lock lever, which is con...
  • Tuya WiFi door open button Features
    Tuya WiFi door open button Features Mar 20 , 2023
    Tuya WiFi door open button is a smart home product with the following features:1. Remotely open the door2. WiFi connection3. Safe and reliable4. Multiple ways to open the door5. Wide range of application6. Power-saving and energy-saving7. Easy to install1. Remotely open the door: Remotely control the door through the mobile APP, no need to swipe the card or use the key near the access control, whi...
  • How to choose a suitable RFID reader?
    How to choose a suitable RFID reader? Mar 23 , 2023
    RFID technology is radio frequency identification technology, which is a kind of automatic identification technology. It uses wireless radio frequency to carry out non-contact two-way data communication, and uses wireless radio frequency to read and write recording media (electronic tags or radio frequency cards) to achieve identification goals and data. The purpose of exchange" So in various...
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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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