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 ( Security for ALL )

S4A mainly produces a series of security Door Access Control as following:

S4A ProductAdvantageous
Electromagnetic Lock
Fingerprint Glass Door Lock
Wireless Door Lock
Bolt Lock
Strike Lock
Cabinet Lock
RIM Lock
Since 2006
Factory located in DongGuang, China
Support OEM & ODM customize
Metal Standalone Access ControllerWe run a few modules by ourselves
Support OEM & ODM
Automatic Door System & accessoriesWe run a new factory to do these device
UHF RFID Long Range ReaderOur company gained 51% shareholders for this factory
Support OEM & ODM
Access Control Board5 Years quality warranty
Support OEM & ODM
Exit Push Button And accessories Such as Door loop, Keytags, Cards etcRe-sale of Original Price to S4A Cooperated and Vaulable clients.
     No Profit, No Bargin, just to achieve to our Target in 2020
Guard Patrol SystemResell for cooperated clients
OEM & ODMS4A Support

S4A Product Catalogue
Download Linkhttp://www.s4a.com.cn/list/?27_2.html
Files NameS4A Product Catalogue for Access Control System and Accessories


Our enterprise mission is to make your residential home and office more secure.with our rapid development technology,

we are closing to this goal.during past 11 years.we cultivate a strong and energetic team for S4A' clients.


Quality is top priority

All products get through quality checking and being test 24 hours before delivery


Responsible teams

All sales are trained for 6 month before real contact with customers.And there are 3 shifts : 24 hours x7 online service.


Professional Support

we have 2 engineer team,1 team is responsible for re-sales inquiry,1 team is responsible for after-sales support.

 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.


Our team can manufacture products, sell products, and do after-sales.  

We can create value for you! 


Join S4A, become our overseas partner. we could create brilliance together.





Honor Certificates
Equipped with high-tech machinery, including high precision micro CNC slitting and full-automatic leveling cutting plate machines, metal bending machinery and metal electroplating machinery
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