J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006608290; 18621169109
Websitehttps://www.meryer.com/cn/index/
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Guangzhou Jhd Chemical Reagent Co., Ltd.
Telephone020-84383047
Websitehttp://www.jhd.com.cn
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Shaanxi Dideu Medichem Co. Ltd
Telephone029-61856359 18690052321
Websitehttp://www.dideu.cn
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Nalong Chemical Co.Ltd
Telephone13192879270; 13192879270
Websitehttp://www.youshengo.com/gwh-15259
Hebei Guanlang Biotechnology Co., Ltd.
Telephone+86-19930503259 +86-19930503259
Websitehttps://www.chemicalbook.com/manufacturer/hebei-guanlang-biotechnology/