L-Theanine, CAS No.3081-61-6 Food Grade

Gihi Chemicals: is specialized in the production of ester products which are used in the daily dietary supplements chemicals ,cosmetic products and skincare products since 1999.

Since 2010，GIHI CHEMICALS , begun to focus on the development and production of high-quality healthy Dietary supplements for our global high-reputation customers. The purity of all healthy Dietary supplements we provide has reached more than 99% purity. From the beginning of our products’ development, our technical engineers have chosen and  design the production routes to ensure that we have been able to use biological, enzyme and water-phase green synthesis methods during the large production process to ensure that our health dietary supplements is truly high-quality ,green &environmental friendly, which are truly good and health to the human body.

Now our company has: 

1 sales & management center + 3 research centers+ 4 production factories.

with ISO9001 & FDA certificate & CE certificate, accordance with GMP requirements.

1 Sales &Management center:

Add:No.567 Dengcai Street, Sandun, Westlake District, Hangzhou 310030, Zhejiang, China.

Research Center 1: (Chemical synthesis lab)

No.6, Chanyexietongchuanxing Center, Kangyang Road, Shangyu Economic and Technological Development Zone, Shaoxing, Zhejiang，China.

This research center: is specialized in chemical synthesis, our this research center could synthesis more than 300 new chemical products for many china pharmaceutical companies every year.

Research Center 2:(For Enzyme biology technical and Enzyme catalyst technical)

No.7, Lixiangxi Road, changsha Economic and Technological Development Zone, Changsha, Hunan.

Our this research center is committed to the applications of immobilized enzymes technology to the development of products such as peptides, polysaccharides, and non-natural amino acids. The products developed are widely used in medicine, health products, cosmetics, food, feed and other industries. The company adopts multidisciplinary technologies of chemistry, materials science and life sciences, which helps to meet the demand of green production while improving product quality and economic benefits. And also helps to reduces the emission of "three industrial pollution" greatly.

Research Center 3:(Biology enzyme-catalytic products)

No.2 Bio-hatch Building,No.10 Gaoxinzhongyidao, Yuehai Street,Nanshan District, Shenzhen, Guangdong, China.

This research center is specialized in biosynthesis technology as the core technology, and multi-disciplinary cross-application as target. We are the first batch company in the world to apply enzyme catalysis technology to the large-scale production of peptides, carbohydrates and nucleic acids and other special functional raw materials, and actively explore products in new application in the field. In this center, we used enzyme catalyst production methods to produce many high lever products, such as: NMN, (S)-Prox-ylane, Ectoin, Ergothioneine,etc.