Chengdu DingDang Pharmaceutical Co., Ltd.
Telephone028-86040038 13980902949;
Websitehttp://www.dingdangchem.com
Chengdu Novel Biomedical Co., Ltd.
Telephone028-85255396 18302801538
Websitehttp://www.cd-novel.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Suzhou Gopon Pharmaceutical Co., Ltd
Telephone133-5805-9751
Websitehttps://www.gopon.com.cn
Anqing tangyan biotechnology co.,ltd
Telephone0-18918530082 18918530082
Website