Welink International Enterprise Ltd. specializes in manufacturing Phase Transfer Catalysis (PTC) and Cationic Surfactant. We provide a comprehensive range of Quaternary Ammonium Salts, Quaternary Phosphonium Salts,and so on.
URL: http://www.chemicalptc.com in English [Translate]
Our company is specialized supplying in Fine chemical, pharmaceuticals intermediates and other specialty chemicals from China origin. We have three joint factories which could supply available products as well as accepting customer synthesis.
URL: http://www.daishangchem.com/ in English [Translate]
Sunivo is a professional chemical supply chain company based on e-Business. 24/7 worldwide online services; 15,000 Real Time Quotation Products; More than 31,500 customers and 20,000 selected suppliers; Price Comparison & Online Order
URL: http://www.sunivo.com/ennew/Products/Products_list.asp?sProdKw=299-28-5 in English [Translate]