China Bluestar (Group) Co., Ltd. is a large-scale state-owned enterprise managed by China National Chemical Corporation. Andissu company of France is one of the world famous animal nutrition additive manufacturers, the world leader of methionine, one of the world's three major suppliers of enzyme preparations and vitamins. Andissu is the first enterprise in the world to master the technology of large-scale production of solid and liquid methionine.
