Security products especially video and audio doorphone

Founded in 1993, we specialize in the development and manufacturing of security products. Having grown rapidly, our series are being used in thousands of projects, and we have won praise both from customers, and other suppliers.
Now our products cover four major series:
1) Video and audio door phone systems
2) Intelligent district LAN administration systems
3) Burglar alarm systems
4) Locks

Offers list from this company:

1. [Sell] Security products especially video and audio doorphone