Guangzhou Yunmen Biotechnology Co., Ltd
Telephone0751-18902340975/189023400307 18902340307
Websitehttp://www.yx-biotech.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815987 13927875076
Websitehttp://www.wj-chem.com
Guangdong Fangxin Biotechnology Co., Ltd.
Telephone0751-2838688 13376594225
Websitehttps://www.fx1668.com/
Tianjin Rongshen Chemical Co., Ltd
Telephone18317763565; 18317763565
Websitehttps://www.chemicalbook.com/supplier/25873679
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone18915873328 18915873328
Websitehttps://www.xianglongpharm.com/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com