Nanjing Zhitunda Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Photocommunication maintenance equipment and testing instrument, Meter.

Nanjing Diweipu Photoelectric Technology Co., Ltd.

[ Manufacturer ]Main business are Optical fiber fusion splicer

Nanjing Zhaohui Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Maintenance equipment for optical communication