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. The company offers maleic anhydride, 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, medical intermediaries, pharmaceutical adjuvant, active pharmaceutical ingredients, etc. It is also involved in the research and development of medicine and nutraceutical products; manufacture, sale, and trading of organic acid products; general trading; and property holding activities. Changmao Biochemical Engineering Company Limited was founded in 1992 and is headquartered in Changzhou, China.