Tianjin Tianan Pharmaceuticals Co., Ltd. (the previous Tianjin Amino Acid Co.), an affiliate of the holding corporation - Tianjin Jinyao Group was set up on February 10, 2002 after restructuring and is one of the earliest transfusion manufacturers in China. It is mainly engaged in the production of amino acid transfusions, normal transfusion, peritoneal dialysis solutions, freeze dry powder injections and amino acid pharmaceutical bulk materials. It is a comprehensive pharmaceutical enterprise comprising scientific research, production and business operations. TAPC is the national key production base for amino acid pharmaceutical bulk materials, the national pilot production base for biological engineering pharmaceuticals and the director unit of National Amino Acid Professional Committee, and it is also a new and high tech enterprise listed on the Priority Support List by Tianjin Government. TAPC has set up two production plants including a preparation plant and a pharmaceutical bulk material plant with the annual production capacity of 30 million bottles of preparations and 1500T of bulk materials respectively. The preparation plant has a long history for manufacturing pharmaceutical solutions and is famous for ever produced the first amino acid transfusion in China.