ChengDa Pharmaceuticals Co., Ltd. engages in the research and development, production, and sale of pharmaceutical intermediates, chemical ingredients, and food and feed additives in China and internationally. It offers process research and development, process optimization, quality and stability research, customized production and other services for pharmaceutical intermediates and APIs; and food and feed additives, such as L-carnitine and L-carnitine tartrate. The company also provides bulk drug products, including urogenital, nervous system, blood and hematopoietic organs, muscular system, digestive tract and metabolism, antineoplastic and immunomodulators; and pharmaceutical intermediates comprising drug intermediates for blood and hematopoietic organs, drug intermediates in digestive tract and metabolism, and nervous system drug intermediates. ChengDa Pharmaceuticals Co., Ltd. was founded in 1980 and is based in Jiaxing, China.