Guangzhou Dingsheng Trading Co., Ltd.

[ Manufacturer ]Main business are Spectacles

Shanghai Chunkai Safety Equipment Co., Ltd.

[ Manufacturer Trader ]Main business are Protective articles

Shanghai Yuhua Laser Technology Development Co., Ltd.

[ Manufacturer Trader ]Main business are Laser, Photoelectric product.

Shanghai Wewixing Optical Co., Ltd.

[ Manufacturer Trader ]Main business are Optical product

Shanghai Dawei Photoelectric Instrument Co., Ltd.

[ Manufacturer ]Main business are Optical instrument