Yuan Zhang

Part of Tianjin Ringpu Bio-technology Co., Ltd., Hunan Zhongan Bio-Pharmaceutical Co., Ltd. is a Chinese company that produces bacterial vaccine. The company is based in Changsha, China. Hunan Zhongan Bio-Pharmaceutical Co. was acquired by Tianjin Ringpu Bio-technology Co., Ltd. from Hunan Yatai Biological Development Co., Ltd. on May 06, 2011 for $2.58 million.

Zhongrui Huapu Technology Co. Ltd. is a Chinese company that engages in bio technology development operation. The private company is based in Tianjin, China.

Part of Tianjin Ringpu Bio-technology Co., Ltd., Hubei Longxiang Pharmaceutical Co., Ltd. is a Chinese company that manufactures and distributes active pharmaceutical ingredients. The company is based in Wuxue, China. Hubei Longxiang Pharmaceutical Co. was acquired by Tianjin Ringpu Bio-technology Co., Ltd. on November 22, 2010 for $3.13 million.

Part of Tianjin Ringpu Bio-technology Co., Ltd., Inner Mongolia Ringpu Dadi Animal Pharmaceutical Co. Ltd. manufactures pharmaceutical products and animal feed additives. The company is based in Baotou, China. Inner Mongolia Ringpu Dadi Animal Pharmaceutical Co. was acquired by Tianjin Ringpu Bio-technology Co., Ltd. on May 14, 2012 for $0.29 million.

Part of Tianjin Ringpu Bio-technology Co., Ltd., Tianjin Ruijiu Venture Capital Management Co. Ltd. is an alternative investment manager. The company is based in Tianjin, China. Tianjin Ruijiu Venture Capital Management Co. was acquired by Tianjin Ringpu Bio-technology Co., Ltd. from Zhongrui Huapu Technology Co. Ltd. on November 20, 2014 for $0.57 million.

Part of Tianjin Ringpu Bio-technology Co., Ltd., Ringpu Baoding Biological Pharmaceutical Co. Ltd. is a company that manufactures vaccines and distributes pharmaceutical products. The company is based in Baoding, China. Ringpu Baoding Biological Pharmaceutical Co. was acquired by Tianjin Ringpu Bio-technology Co., Ltd. on March 06, 2012 for $11.10 million.