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/alf/laboratory_chemical_suppliers.htm in English [Translate]
Hangzhou Dashan Chemical Co.,Ltd. is another wholly-invested Company of Hangzhou Aroma Chemical Company (HAC), which is a leading company engaged in R&D, manufacturing, importing and exporting mainly in Aroma Chemical industry in China.
URL: http://www.hzdashan.com in English [Translate]
Tu Shan is one of Fengyuan Group, all production lines through the GMP, products include injection, powder, capsules, powders, granules, tablets, eye drops and Many kinds of APIs.
URL: http://www.bbcayy.com in English [Translate]