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 +86-13028896684;
Websitehttps://www.rrkchem.com
Suzhou Gopon Pharmaceutical Co., Ltd
Telephone 13358059751
Websitehttps://www.gopon.com.cn
Anqing tangyan biotechnology co.,ltd
Telephoneqq 3328037850 18918530082
Website