Nanjing Datang Pharmaceutical Technology Co., Ltd.
Telephone025-84341491 13951930983
Websitehttp://www.datangpharmatech.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-029-81148696 18161915376
Websitehttp://www.dideu.cn
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 19370895928
Websitehttps://www.aikonchem.com/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com