Changmao Biochemical Engineering Company Limited, together with its subsidiaries, produces and sells organic acids for food additive, chemical, and pharmaceutical industries in Mainland China, Europe, the Asia Pacific, the United States, and internationally. Its products include fumaric acid, maleic acid, L-malic acid, D-malic acid, DL-malic acid, L(+)-tartaric acid, D(-)-tartaric acid, DL-tartaric acid, L-aspartic acid, and aspartame that are used as food additives, pharmaceutical adjuvant, and active pharmaceutical ingredient, etc. The company is also involved in the research and development of medicine and nutraceutical products; production and sale of food additives; trading of organic acids; and property holding activities. Changmao Biochemical Engineering Company Limited was founded in 1992 and is headquartered in Changzhou, the People's Republic of China.