We are an institute mainly engaged in technology developing,transferring, consulting, and service in organic chemical field all these years.
URL: http://www.xinan-chem.com/pages/mainen.htm in English [Translate]
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 a limited company,We are a specialized trader and manufacturer of chemicals;moreover,we are a manufacturer of water treatment agents,catalysts and pharmaceutical intermediates too.
URL: http://www.ycthchem.com in English [Translate]
Xiamen Topusing Chemical Co., Ltd is a professional manufacturer and exporter of agrochemical products classified in Special fertilizer, Micronutrients, 100% Water soluble fertilizer, Granular fertilizer and Plant growth regulators.
URL: http://www.topusing.com in English [Translate]
A leading manufacturer of research chemicals, metals and materials including high purity inorganics, organics and organometallics, precious compounds and catalysts, rare earth compounds and metals, labware and more.
URL: http://www.alfa.com/en/product/a17680 in English [Translate]