Nanjing Jinzhang Industrial Co., Ltd.

[ Manufacturer Trader ]Main business are Amido-sulfonic acid.

Wuhan Qingjiang Chemical Co., Ltd.

[ Manufacturer ]Main business are Iron concentrate, Sulphuric acid

China Petrochemical Group Shengli Petroleum Administration

[ Manufacturer ]Main business are Chemical product

Beijing Yanan Gas Co., Ltd.

[ Manufacturer Trader ]Main business are Gas

Zhejiang Huidelong Chemical Co., Ltd.

[ Manufacturer Trader ]Main business are Fine chemical product