... , zinc sulphate heptahydrate, zinc sulfate, zinc sulfate hepta, zinc sulfate heptahydrate, zinc sulphate granule, zinc sulphate heptahydrate granule. Rech Chemcial Co. Ltd is a major manufacturer and Supplier of zinc sulphate ,ferrous sulphate ,manganese sulphate, magnesium sulphate , copper sulphate. Product Name: Zinc Sulphate Heptahydrate ...