J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Suzhou Siso new material Co.,Ltd.
Telephone0512-65402974 18550909935;
Websitehttp://www.szsiso.cn
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-81148696 +86-15536356810
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-221/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81148929 13186179623
Websitehttps://www.dideu.com
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichemicals.com/