- Nantong Chem-Base Co., Ltd.
- Address:R403 Huali Bldg,No6 Gongnong Road
- Beijing Leaderherb Bio-Tech. Co., LTD.
- Address:Building 58#, No. 17 Jingsheng South 4th Street, Jinqiao Industrial Park, Tongzhou, Beijing 101102 China
- Changchun BCHT Biotechnology Co.
- Address:1260 Huoju Road, High Tech Zone
- Zhejiang zhebei pharm co. ltd
- Address:Sanli Tang, Qianyuan Town, Deqing County, Zhejiang Province
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