As one of the leading manufacturers of phase transfer catalysis (PTC) and cationic surfactant, we provide a comprehensive range of quaternary ammonium salts, quaternary phosphonium salts, crown ether, quaternary ammonium hydroxide and other series. We are accustomed to supplying quarts used in the pharmaceutical industry and the electronics industry, Petrochemical Production, Biological Industry, Electroplating, Textile Industry and Architecture as well as cosmetic industry and many other industries.