Shanghai Rongjian Chemical Co., Ltd.

[ Manufacturer ]Main business are Chemical products

Tianjin Changhe Chemical Factory

[ Manufacturer ]Main business are Inorganic chemical product.

Tianjin Baixiang Hongxing Fine Chemical Factory

[ Manufacturer ]Main business are Calcium chloride

Tianjin Xinfukang Photoelectric Communication Network Devel

[ Manufacturer Trader ]Main business are Photoelectric product