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/10482 in English [Translate]
Worldwide leader in process measurement and control. The one-stop source for temperature, pressure, flow, level, data acquisition, pH, conductivity, and electric heater products. Over 100,000 products available on-line!
URL: http://www.omega.com/ in English [Translate]