Ningbo HaiShuo Biological Technology Co., Ltd located in the beautiful coast of the East Sea. Our company is specializing in producing and dealing High-quality Amino Acids. Our company mainly produces L-Cystine, L-Cysteine Base, L-Cysteine Hydrochloride Monohydrate, L-Cysteine Hydrochloride Anhydrous, L-Tyrosine, L-Leucine, L-Arginine HCL, L-Arginine Base, S-Carboxymethy-L-Cysteine, N-Acetyl-L-Cysteine, N-Acetyl-L-Tyrosine, L -Lysine Hcl, DL-Cysteine Hcl Mono, the product quality have reached Food, and medicine standard and our amino acids generally meet the requirement of AJI92, USP28, EP4 and FCCIV standard. 

Our company has established standardized production base in Ningbo in Xiangshan Juexi Industrial Park. The production workshop in accordance with the GMP standard construction and complete with the production and testing equipment, it also establish a strict management system and improving the quality assurance system, our company's products are all in accordance with international standards for the production, having KOSHER certification and ISO9001 certificate.