S4A is a professional manufacturer and supplier specializing in high-quality access control systems and solutions. We operate our own production facility, allowing us to maintain strict quality control over every product, from design to delivery. Our expertise lies in providing reliable and innovative security products, such as the S4A EL-600 and EL-1200 series electronic locks, to partners worldwide. We are committed to authenticity, direct factory pricing, and robust customer support, ensuring our clients receive genuine products and dependable service.
Choose S4A for security solutions built on real manufacturing expertise and a proven track record.

If you wanna know more products or require any additional information, pls kindly contact us as below:
S4A INDUSTRIAL CO., LIMITED
Contact Sales: Ms Anna Zhang
Tel:+86 755 29450011 EXT: 608
Mob/whatsapp/Viber +86 134 10500721
Skype:crypton0908
Email: sales1@s4a-access.com
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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