- tianjin zhongshangda chemicals co., ltd
- titanium white , chromium oxide green , sulfanilic acid, zinc oxide, oxalic acid, stearic acid , cmc, pvc, ect..
- Address:changjiang Road, Tianjin, Tianjin, China
- Sinomax Solutio
- dsd acid (cas# 81-11-8), sulfanilic acid (cas#121-57-3).
- Address:Dongsanhuan, Beijing, Beijing, China