J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Syntechem Co.,Ltd
Telephone
Websitehttp://www.syntechem.com/
Sinopharm Chemical Reagent Co,Ltd.
Telephone86-21-63210123
Websitehttp://www.reagent.com.cn
Alchemist-pharm chemical Technology Co. Ltd.
Telephone0371-67991738 13783628208
Websitehttp://www.alchemist-pharm.com
Guangzhou Egg Biotechnology Co., Ltd.
Telephone86-20-28069315 28069316
Websitehttp://www.gzeggbio.com
Shanghai Yolne Chemical Co., Ltd.
Telephone021-62960152
Websitehttp://www.yolne.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
ShangHai Siyan Biological Technology Co., Ltd.
Telephone021-50908862,442785678,326799392 18721037013
Websitehttp://www.siyanbio-tec.com
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Alchemist-pharm chemical Technology Co. Ltd.
Telephone0371-67991738 13783628208
Websitehttp://www.alchemist-pharm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.com/
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
Hebei Yanxi Chemical Co., Ltd.
Telephone +8617531190177
Websitehttps://www.chemicalbook.com/manufacturer/hebei-yanxi-chemical-283/
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418671 +8618949823763
Websitehttps://www.tnjchem.com
Hangzhou Proserre Chemical Co.,Ltd.
Telephone+86-571-86088112
Websitehttps://www.proserre.com/