- Tianjin Research and Design Institute of Chemical Industry
- Zinc Chloride, Barium fluoride, Lithium fluoride, organic photo conductor, water treatment chemical.
- Address:85, No 3 Road, Dingzigu, Hongqiao district Tianjin, Tianji
- OPTICHEM SPECIALITY FZE
- COBALT OCTOATE,BARIUM OCTOAOT,CALCIUM OCTOATE.
- Address: