Shenzhen Yield Sum Bonding Fine Chemical Engineering Co. Ltd, an high-tech product company integrated with manufacturing, OEM, Research and Design, sales and after sales services. Yield Sum dedicated to bringing in advanced materials, equipments, and technology of the world, offering the enterprises around the world high-quality products and services. At present, we have world-wide partners including Foxconn, Flextronics international, Hisense, Konka, AUO, CMO, and BOE etc.

Peptide products includes GHK (Gly-His-Lys), GHK-Cu, Aspartame, Neotame, Glycyl-L-glutamine monohydrate, N-(2)-L-alanyl-L-glutamine, Carosine (L-carosine, N-β -Alanyl-L-histidine), Glycyl-L-tyrosine, etc, with extensive product range and excellent quality. Our first-class technology center, modernized production base, major focus on small peptides, innovative working spirits, professional quality management and dedicated customer service has been making the company to a leading company in small peptide industry worldwide!