We are TONGYUAN industrial based in Zhuzhou, China. We are member of TradeKey.com since March, 2013. Our business is related to Agriculture industry and we specifically deal in zinc sulfate & cartap. Please find our product details below: Zinc sulfate Heptahydrate Zinc sulfate is the inorganic compound with the formula ZnSO4 as well as any of three hydrates. It was historically known as white vitriol. It is a colorless solid that is a common source of soluble Zinc Sulfate Monohydrate Zinc sulfate is the inorganic compound with the formula ZnSO4 as well as any of three hydrates. It was historically known as white vitriol. It is a colorless solid that is a common source of soluble Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.