Peptide Synthesis manufacturer / supplier in China, offering Ghk-Cu Ghk Cu Copper Peptide CAS 49557-75-7 Purity 99% Research Reagents, VIP Acetate CAS 37221-79-7 Research Reagents with Purity 99%, Melanotan-II Melanotan II CAS: 121062-08-6 Purity 99% Research Reagents and so on.