Empire Science & Technology Development Co.,Ltd.

Established in 1995 ,China Empire Science & Technology Development Co.,ltd. has gained immense expertise in supplying & trading of Wireless color/black and write video door phone system, wireless audio door phone system, and wireless digital doorbell system etc. The supplier company is located in Shanghai, Shanghai and is one of the leading sellers of listed products. Buy Wireless color/black and write video door phone system, wireless audio door phone system, and wireless digital doorbell system in bulk from us for the best quality products and service.