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/
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Qiao Chemical Science Co., Ltd
Telephone021-58892003
Websitehttps://www.chemicalbook.com/supplier/10168672/1.htm
Shanghai wechem chemical co., ltd
Telephone 18824865657
Websitehttp://www.wechem.cn
Nanjing Haolv Biotechnology Co.,Ltd
Telephone025-84622273 17361806303
Websitehttp://www.haolvbt.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Henan Alpha Chemical Co., Ltd.
Telephone0371-0371-55055611 18137792234
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31206/0.htm
Henan Alfa Chemical Co., Ltd
Telephone
Websitehttps://www.chemicalbook.com/manufacturer/henan-alfa-chemical-570/
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Ningbo cuiying chemical technology co. LTD
Telephone4008-608250 18957423231
Websitehttp://www.xg-nb.com
Central China Special Gas (CCSG) Co., Ltd
Telephone0734-8755555 15674722888
Websitehttp://www.ccsg.cn/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Qingdao Tenglong microwave technology co., LTD.
Telephone0532-83818797 18561885118
Websitehttp://www.cnnmr.com/
ChengDu SinoStandards Bio-Tech Co.,Ltd. ，
Telephone028-83243028 19136088901
Websitehttp://www.ebuylabs.com/
Shaanxi Dideu Medichem Co. Ltd
Telephone029-61856358 15229202216
Websitehttps://www.dideu.com/
