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]
China Qingdao Hongjin Trading Co., Ltd, is a global-oriented company, specializing in development, production and sales of chemicals and mechanical products.
URL: http://www.hong-jin.com/ in English [Translate]
