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ichuan Tai Hui Biotechnology Co., Ltd. is located in Chengdu, Sichuan Province. It is an innovative enterprise specializing in the research and development, production and sales of peptides and their derivatives. The company provides a large number of high-quality spot goods such as beauty polypeptides and drug polypeptides, and also provides impurities and polypeptide fluorescence labeling, N-terminal modification, N-terminal fatty acid modification, C-terminal modification, phosphorylation modification, methylation modification, multi-pupling disulfide bond ringing, amide bond head and tail ringing, amide bond side chain ringing, and branch-type polypeptides.