Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
Capot Chemical Co.,Ltd.
Telephone+86-(0)57185586718 +86-13336195806
Websitehttps://www.capot.com/
Jinan Guangchen Pharmaceutical Technology Co., Ltd
Telephone 18563726319
Websitehttps://www.chemicalbook.com/supplier/24863567/
Panaishen (Henan) Pharmaceutical Science and Technology Co. , Ltd.
Telephone0371-65325800 13700860222
Websitehttp://www.pannacean.com/
Shanghai meikai technology co., ltd
Telephone021-68689288 15300790979
Websitehttps://www.mkbio.com.cn/