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]
CHANGDAPHARM can provide laboratory quantities of a wide range of materials for R&D usage.All products are manufactured by Companies committed to today's most rigorous global norms in our Quality Management ractices,environment and hygiene-oriented..
URL: http://www.changdapharm.com in English [Translate]