2010.12  Foundation of Hunan Norchem Pharmaceutical Co., Ltd.
2011.01  Rent Hunan Chenda Pharmaceutical Co., Ltd.
2011.07   Set up R&D center in Changsha
2013.04    Hunan Norchem Changde site founded
2013.10   purchase of Hunan Chengda Pharmaceutical Co., Ltd.
2013.12   Purchase of Beijing KYF biotech development Co., Ltd.