Qingdao Hecheng Pharmaceutical Co.,Ltd. Add.: Building 20, 237 wannianquan Road, Licang District, Qingdao, China. P.C.: 266041 Tel: +86-532-87690532 Fax: +86-532-84690277 Contact: Du Fafu E-Mail: sales@hcpharma.com.cn URL: http://www.hcpharma.com.cn