We are a specialized phase transfer catalysts developer, manufacturer and vendor. We offer quaternary ammonium halides, quaternary ammonium hydroxide and quaternary phosphonium salts, such as tetramethylammonium chloride (TMAC), tetrabutylammonium bromide (TMAB), benzyltriethylammonium chloride (BTAC), and more. With annual production of TMAC at 300 tonnes, we are now one of the largest TMAC providers in China.We have advanced manufacturing and quality control facilities. And we are partnered with chemical labs of Shanghai University in new product development.Our purpose is to service our customers by offering quality products they need. We honor honesty in business practices and expect the same from our customers and our suppliers. We look forward to opportunities for business cooperation with you.