Hangzhou Huadong Medicine Group Zhejiang Huayi Pharmaceutical Co., Ltd. (hereinafter referred to ZHP) is a Chinese-Spanish joint venture, located in Yiwu city (350km south of Shanghai), Zhejiang province. It is a national Hi-tech Enterprise and Demonstrating Enterprise of Innovation. ZHP is a company of very close relationship with East-China Pharmaceutical Group, as well as a significant partner of Esteve Group in Asia.

       Esteve Group is one of the largest pharmaceutical groups in Spain and it has made a remarkable contribution to the health and happiness of the people in Spain and other countries in the world since its establishment in 1929.

        East-China Pharmaceutical Group is only one of the 15 enterprises from pharmaceutical industry that are strongly supported by the Zhejiang provincial government and it is also listed in the rank of the top 500 enterprises assessed by China State Economic and Trade Commission.