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  • Access control door button selection skills and suggestions
    Access control door button selection skills and suggestions Oct 21 , 2022
    Access control system button selection skills and suggestions.There are two common ways to enter and exit the door:1. Swipe your card to enter, and swipe your card when you go out. We usually call it "two-way access control" or "two-way card reading". The advantage of this method is that it has a higher level of security. Generally, people are not allowed to leave casually...
  • Elevator control system
    Elevator control system Oct 24 , 2022
    The elevator control system, also known as elevator control, is mainly used to control the access authority of the elevator. Only after the authorization card is swiped through the card reader, the designated floor can be reached. Nowadays, the use of elevator control is more and more common, the types are more and more, and the functions are more and more comprehensive, and more attention is paid...
  • 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...
  • Five Installation Methods Of Door Closers
    Five Installation Methods Of Door Closers Oct 28 , 2022
    The door closer is installed on the door. Its function is to automatically close the door when the door is opened. Its characteristic is that it can accurately close the door to the initial position. Door closers are widely used in our lives. It is mainly used in commercial and public buildings, but also in domestic use. Its biggest function is to close the door tightly when a fire occurs, th...
    Tags : Door Closer
  • What is an electromagnetic door suction? How does it work and how to install it?
    What is an electromagnetic door suction? How does it work and how to install it? Oct 31 , 2022
    Electromagnetic door suction, this kind of door suction is often used with fire doors, also known as electromagnetic door suction for normally open fire doors.1. What is electromagnetic door suction2. The working principle of electromagnetic door suction3. Electromagnetic door suction classification4. Installation method of electromagnetic door suction1. What is electromagnetic door suctionElectro...
  • What is the difference between a door closer and a floor spring?
    What is the difference between a door closer and a floor spring? Nov 03 , 2022
    Door control hardware is a very important supporting product device in people's daily life. It mainly includes: floor springs and door closers, usually used in shopping malls, office buildings, residential areas, hotels and other public places. The main function is to ensure that the door can be opened normally, or the door can be closed to the initial position accurately and timely. Normally,...
  • 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...
  • 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...
  • 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...
  • Installation method and precautions of door closer
    Installation method and precautions of door closer Nov 21 , 2022
    The door closer is installed on the door. Its function is to close the door automatically when the door is opened. Its characteristic is that it can accurately close the door to the initial position. Door closers are widely used in our lives. It is mainly used in commercial and public buildings, but also in domestic use. Its biggest function is to close the door tightly in case of fire, so as to p...
  • 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...
  • 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...
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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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