We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for BicarbonateSodium, Copper Sulfate Blue Powder, Sulfate Zinc Hydrate, Sulphate,Zinc Sulfate Heptahydrate. As a leading manufacture and exporter, we enjoy a good reputation in the international markets, especially in America and Europe, because of our top quality and reasonable prices. The product will supply to all over the world, such as Europe, America, Australia,Ghana, Greece,Zimbabwe, Peru.We've got sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.