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]
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/b21480 in English [Translate]
WJCHEM is dedicated to developing,manufacturing and marketing of pharmaceutical intermediates, peptide and amino acid derivatives,APIs andFine & Speciality chemicals.
URL: http://www.wjchem.com.cn/pages/product.htm in English [Translate]