Sichuan Tongsheng Amino acid Co., Ltd established in 2003, located in Sichuan Basin , in the city of Deyang which is a typical city between Chengdu and Mianyang, and with beautiful scenery mild climate and convenient transportation. We are a company specializing in the research and production of amino acids ,amino acids derivatives and biochem reagent , an annual production capacity of more than 1,000 tons. We are an innovation , rapid growing biochem company.
The manufacturing of the products are carried out under full compliance with ISO9001:2000, production and quality management followed GMP standards , production workshops construct in accordance with GMP standard. And all products conform to AJI, USP or related pharmaceutical/food/reagent standards.
We are focusing on development and market research , inflowing of talent, establish specialized research and development institutions.  We are also actively engaged in the R&D activities, independently or in collaboration with academic organizations. Apart from our regular product range, we offer custom synthesis/toll manufacture services. We also developed plant-source amino acids of late.

Our Specific technology :
1. Production of Pyroglutamic acid&＃65292;Glutamic acid , Histidine , Valine and derivatives of them.
2. Synthesis of Gly-Gly and Theanine.
3. Amino acids extract form plant source.
4. Resolution and rotation of chiral amino acids.
5.Phenol-hydroxy Mercaptan protection. And we have Predominant products such as protect amino acids, compand amino acids, others and so on.

Ourmain products :
1. Pyroglutamic acid , Glutamic acid , Gly-Gly , Pyroglutaminol , Theanine , Tyrosine , Leucine and derivates of them.
2. Chiral amino acids : D,L-(Histidine, Pyroglutamic acid, Glutamic acid, Leucine)
3. Racemic amino acids : DL-(Tyrosine , Valine , Leucine , Arginine HCL)
4.Protected amino acids (N-acetyl, BOC, Fmoc, Cbz, Ester ) and other derivatives.
5. Amino composite salt