... heptahydrate, zinc sulphate granule, zinc sulphate heptahydrate granule. Rech Chemcial Co. Ltd is a major manufacturer and Supplier of zinc sulphate ,ferrous ... , Titane Dioxide, Zinc Sterate and Zinc-Alkyl-di-thiocarbamate (Fungicide), Rubber As accelerator, flotation of ores, Electroplating and surface treatment, Animal ...