GL Biochem (Shanghai) Ltd. founded in 1998, is specializing in coupling reagents, protected amino acids, generic peptide, custom peptide synthesis and providing various peptide products and services for pharmaceutical companies, biotech companies and advanced institutes worldwide. During the past 15 years，GL Biochem has become the largest and most recognized producer of peptide reagents and custom peptides in the world. We are renowned among international and domestic customers for having the most complete listing of peptide related products!