C-Strong Co., Ltd. Is the acknowledged peptide manufacture based in Shanghai. With the proprietary technologies, we provide ultra-fast and highly economical peptide synthesis service to the scientific community worldwide. Our standard stepwise solid phase peptide synthesis (SPPS) procedures, both Boc and Fmoc chemical synthesis technique, provide access to the most peptides ranging from the long peptide over fifty amino acid in single sequence to complex peptide modification. In addition, C-Strong offers the most competitive price in the peptide synthesis industry.With the production base located in Chengdu, C-Strong is the leading peptide supplier specializing in APIs and finished generics with industrial scale for pharmaceutical applications. Our peptide synthesis facility is committed to the highest quality standards with all service abiding by cGMP industry stipulations.