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  • Hand scan sensor switch without touching
    Hand scan sensor switch without touching Apr 13 , 2021
    The touchless light switch is also called a photoelectric switch (photoelectric sensor). It is the abbreviation of a photoelectric proximity switch. It utilizes the shielding or reflection of the light beam by the detected object, and the synchronous loop gates the circuit to detect the presence or absence of the object. Objects are not limited to metals, all objects that can reflect light can be ...
  • Repair method of foot switch automatic door failure in hospital operating room
    Repair method of foot switch automatic door failure in hospital operating room Apr 22 , 2021
    Foot witch automatic door are often used in hospitals and are commonly used in hospital operating rooms. This type of automatic door is very convenient to use, but it is also prone to various problems. As an automatic door after-sales maintenance company, the doorway often repairs this type of door type. Today, we summarized some common failures of the footswitch automatic door in the hospital ope...
  • What is a Wall Touchless Switch
    What is a Wall Touchless Switch May 21 , 2021
    The proximity sensor switch (hereinafter referred to as the proximity switch) is a device that can sense the proximity of an object to perform corresponding switching actions. An induction switch is a position switch that can be operated without mechanical contact with moving parts. When the object approaches the sensing surface of the switch to the operating distance, it does not require mechanic...
  • Luxury Touch Switch
    Luxury Touch Switch Jun 04 , 2021
    Many people's cognition of switches is still on the traditional push switch, and the appearance of the switch is not very demanding. However, with the economic development, people's consumption power is gradually increasing, and more and more people are concerned about the appearance of the switch. There is demand, and the newly launched exit push button [EB-10] of S4A just meets the needs...
  • The principle of touch switch and its advantages and disadvantages
    The principle of touch switch and its advantages and disadvantages Dec 29 , 2021
    The touch switch is a modern electronic component switch, which belongs to the category of electronic appliances. Touch switches are widely used in household appliances due to their small size and lightweight, such as video products, digital products, remote controls, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, mon...
  • How To Choose Mifare DESFire Ev1 Or Ev2
    How To Choose Mifare DESFire Ev1 Or Ev2 Apr 21 , 2022
    Mifare DESfire EV1 vs EV2: it's a decision many make when deciding on the access control solution that best fits them. In this blog, we'll examine the differences between the two and hopefully demonstrate why the latter is the better choice for access control.But first…What is MIFARE DESFire EV1 and EV2?The first Mifare Cards arrived in 1994 as a product of NXP and have since und...
  • What it is and how to create a touch switch
    What it is and how to create a touch switch Jun 10 , 2022
    Touch switches increase the usability of electronic devices. While providing additional functions, these specific components provide a unique experience. That's because it can better control compatible devices. Although not a development of new technology, touch switches are still very popular today.We work hard to help you gain deeper insights. After reading this article, you will find t...
  • The realization of access control panel and control function
    The realization of access control panel and control function Aug 26 , 2022
    Common classification of access control panels.1. According to the number of doors controlled by each control panel, it can be divided into single-door control panels/double-door control panels/four-door control panels;2. The control board is divided into a one-way control board and a two-way control board according to the number of card readers that can be connected to each doorIf one door, swipe...
  • 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...
  • 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...
  • 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 ...
  • 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....
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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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