Shaanxi Huavet Chemical Co.,Ltd.(HUAVET CHEMICAL) is an Hi-tech enterprise engaged in R&D and manufacturing as well as marketing animal bulk drugs and finished preparations. The company has four workshops and one well-equipped R&D and Quality inspection Center.Its main products are: Acetylisovalerylty Tartrate (Tylvalosin Tartrate), Tylosin Tartrate Tylosin Phosphate Tilmicosin Phosphate, Tiamulin Hydrogen Fumarate 80%, Tiamulin Hydrogen Fumarate 98%, Valnemulin Hydrochloride, Colistin Sulfate, ...ect