Changzhou HuanLing Chemical Co., Ltd. has been committed to provide high-qualityfine chemicals to global pharmaceutical R&D institutions and chemical production enterprises. We focus on micromolecule compounds, especially development and production of Heterocyclic micromolecule.The fluoride heterocycles, particularly containing trifluoromethyl group is our advantage products.We have developed more than 200 kinds trifluoromethyl heterocyclics series products, widely used in drug research and dev...