BAOHAI was founded in 2001. Its managed by a team of Ph.D and MBA from famous university with its headquarters in Shanghai, China. There are several factories in China for Zinc oxide,Zinc sulphate, Indium, Lead, Bi, Tin etc.
We are a professional and leading company in the area of (feed grade) in the world. Its products are exported to Japan, Australia, America, Italy, Germany, France, Spain and so on. With annual capacity of more than 30 thou-sand tons, Baohai become one of the biggest zinc sulphate producers in China. The main products are being widely used in diversified fields, such as Feed, Fertilizer, Milling, Pharmacy, Rubber, Chemical,Electronic.
Baohai provide our customers with world-class products and total solutions,
and our excellent technical team dedicate to provide customers more than the products


Zinc sulphate Monohydrate(ZnSO4.H2O) &＃8805; 98%
Zinc(Zn) &＃8805; 35%
Cadmium(Cd) &＃8804; 10ppm
Arsenic(As) &＃8804;  5ppm
Lead(Pb) &＃8804;  10ppm