Langfang Sihuan Gaobo Pharmaceutical Co.,Ltd. ,a joint venture established in 2009 by Beijing Sihuan Pharmaceutical Co., Ltd.(A subsidiary of Sihuan Holding Group, the largest Cardiovascular medicine manufacturer in China. HK stock code: 00460) and Beijing Gaobo Pharm-Chemicals Tech. Co., Ltd. (A company which has been specializing in R&D and producing of Fine chemicals, APIs and pharmaceutical advanced intermediates for more than 10 years). The registered capital is 30 million yuan. It is located in Houyi development Zone, Yongqing County, Langfang, Hebei Province, China. It is about 60 km from Beijing or Tianjin, the transportation is rather convenient.