J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Jinan Guangchen Pharmaceutical Technology Co., Ltd
Telephone 18563726319
Websitehttps://www.chemicalbook.com/supplier/24863567/
Shanghai Yaoheping Biopharmaceutical Technology Co., Ltd
Telephone57540919 13120888836
Website