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]
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]
