Fine Chemical, Nutraceutical, Animal Nutrition manufacturer / supplier in China, offering L-Histidine HCl CAS 645-35-2 High Quality Good Price, L-Theanine CAS 3081-61-6 High Quality Good Price Amino Acid, Rosemary Extract (Rosemarinic acid 2% / 5% / 10% / 20%) CAS: 20283-92-5 and so on.