Shanghai JONLN Reagent Co., Ltd.
Telephone400-0066400 13621662912
Websitehttp://www.jonln.com
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418671 +86-189 4982 3763
Websitehttps://www.tnjchem.com
Hubei Qifei Pharmaceutical Chemical Co., Ltd
Telephone027-59322506 18071128681
Websitehttps://www.qifeiapi.com/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
Telephone +8618950047208
Websitehttp://www.amitychem.com