Shanghai Hanhong Chemical Co., Ltd. is a professional enterprise engaged　in　 researching, developing ,manufacturing and exporting unnatural amino acids ,nucleosides,nucleotides , chiral chemicals and other pharmaceutical intermediates. It also provides custom synthesis service. It has owned a lot of senior researchers, including doctors, professors and experts of organic chemistry for R&D and process control. The company has built R&D center in the Universities,and has established our chemical plants in ShanDong,ShanXi,jiangSu, ZheJiang Province, owning over 250 sets of various reactors from 10L-20000L. Relying on its R&D and producing facilities, Hanhong can manufacture custom-made products from grams to tons. Hanhong is looking forward to setting up cooperation in wide-ranging field for contract-manufacturing and custom synthesis,and wishes to be your best partner in China. The main products: D-Alanine, D-Cysteine, D-Glutamic Acid, R-Aminobutyric acid, L-2- Aminobutyric acid, D-2- Aminobutyric acid, D L-2- Aminobutyric acid, D-cis-Hydroxyproline, L-trans-Hydroxyproline, D-Proline, D-Phenylalanine, D-Tryptophan, D-Valine, D-Norvaline, L-Norvaline, DL-Norvaline, 4-nitro-D- phenylalanine, 4-Nitro-L-Phenylalanine Hydrate, , 4-nitro-DL- phenylalanine, DTTA, , S(+) -Mandelic acid , R(-) -Mandelic acid , D-Leucine , DL-Norleucine, D-Norleucine , ...