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
RYSS TECH LTD
Telephone400-188-0725 +86 21 34310725 13611771617
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15256/0.htm
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Hubei Jusheng Technology Co.,Ltd
Telephone027-59599241 18871490274
Websitehttp://www.jushengtech.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Zhengzhou Alfachem Co., Ltd.
Telephone0371-53765687 18937137882
Websitehttps://www.chemicalbook.com/supplier/10084342/
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418671 +8618949823763
Websitehttps://www.tnjchem.com
Chemwill Asia Co.,Ltd.
Telephone86-21-51086038
Websitehttp://www.chemwill.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone 15229059051
Websitehttp://www.dideu.cn
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
