Shanghai Dope Co., Ltd. Shanghai Changfeng Chemical Factory

[ Manufacturer ]Main business are Naphthenic acid, Naphthenate, Coating additive, Coating detector.

Tianjin Qili Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Optical measuring instrument

Tianjin Zhongya Coating Test Equipment Co., Ltd.

[ Manufacturer Trader ]Main business are Coating test equipment