J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Energy Chemical
Telephone021-021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Suzhou yacoo science co.,Ltd
Telephone0512-87182056 18013166090
Websitehttp://www.yacoo.com.cn
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Henan Alfa Chemical Co., Ltd
Telephone +8615838112936
Websitehttps://www.chemicalbook.com/manufacturer/henan-alfa-chemical-570/
Suzhou yacoo science co.,Ltd
Telephone0512-87182056 13451648594
Websitehttp://www.yacoo.com.cn
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-81120477 17792793610
Websitehttp://www.dideu.cn
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn