1, Changzhou Hejun Technology Co., Ltd.
2. Shanghai Dacromet Coatings Industry Co., Ltd..
3. Ningbo Development Zone Dacromet Coatings Co., Ltd..
Abroad:
1. Geomet produced by NOF Company of Japan is the only water-based coating liquid, which contains chromium and chromium-free.
2. Atotech produced by Zintek, Germany.
3. Mani is produced in America.
4. Doelken (Dwlta-mks) produced by Dorank Company.
All three are organic solvent chromium-free coatings.