S4A Industrial Co.,Limited
+86 130 40800588
Skype: crypton0929
E-mail: sales@S4A.cn
Address: 2nd floor of Jinmin'an Industrial Zone, #529, Bulong Rd. Bantian St. Longgang Dist. Shenzhen,PRC.518129

Company profile


S4A Industrial Co.,Limited

 Security For All

S4A Industrial Co.,Limited is a manufacturer for Electromagnetic locks, Access control, UHF RFID reader, biometric access control, etc in ShenZhen, China since 2006,


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. S4A is established in 2006, we focus on manufacturer access control products for OEM&ODM and project solution.


With a branch office in Qatar, and sole agent in Singapore, Malaysia, The Democratic Republic of the Congo, South Korea, and Egypt. S4A's products circulate around the world.


We attach great importance to 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. So 85% of our business comes from cooperated customers.        


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. 


Join us, become our overseas partner. we could create brilliance together. 


Full range of products from our company are as below:


S4A Product


Electromagnetic Lock

Bolt Lock

Strike Lock

RIM Lock

Since 2006

Factory located in DongGuang, China

Support OEM & ODM customized

Metal Standalone Access Controller

We run a few modules by ourselves

Support OEM & ODM

UHF RFID Long Range Reader

Our company gained 51% shareholders

Support OEM & ODM

Access Control Board

5 Years quality warranty

Support OEM

Exit Push Button

And accessories Such as Door loop, Keytags, Cards etc

Re-sale of Original Price

     No Profit, No Bargin, just to achieve to our Target in 2019

Guard Patrol System

Resell for cooperated clients


Warmly welcome to visit S4A factory & office at anytime!


Address: 2nd floor of Jinmin'an Industrial Zone, #529, Bulong Rd. Bantian St. Longgang Dist. Shenzhen, PRC.

For any Inquiry, pls send it to: sales@S4A.cn or WeChat / WhatsApp +86 130 40800588

Working time: 9.00am to 18.00pm (GMT+8:00) 

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