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/39735 in English [Translate]
Kai Da is the leading manufacturer and researcher for Pt, Pd, Ru, Rh, Ir, Au, Ag catalysts and alloys products in China, Which is dedicated to the design, development, manufacture and recycling of quality catalysts for industry.
URL: http://www.kd-chem.com/ in English [Translate]
Ruiyuan Group research, manufacture palladium,ruthenium,platinum,iridium,rhodium and other noble metal catalyst, Starting materials and intermediates, reagents for peptide and oligonucleotide synthesis ect.
URL: http://www.riyngroup.com in English [Translate]