About Welink Welink International Enterprise Limited is a state-of-the-art chemical manufacturing facilities in Wuhan,the center of China. Our mission is to help our customers achieve the highest quality at the lowest costs, and in the quickest time for their drug discovery and development programs. As one of the leading manufacturers of phase transfer catalysis (PTC) and cationic surfactant, We provide a comprehensive range of quaternary ammonium salts, quaternary????? Following are our hot products which sell well overseas:1) Cetyl trimethyl ammonium chloride2) Octadecy trimethyl ammonium chloride3) Lauryl dimethylamine oxide4) Dimethyl tetradecy! Amine oxide If you are interested in them, we????????send our quotation and specifications to you. Any questions, do not hesitate contact us.
