J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sinopharm Chemical Reagent Co,Ltd.
Telephone86-21-63210123
Websitehttp://www.reagent.com.cn
Shandong Boluoda Biological Technology Co., Ltd.
Telephone0531-58190570 15863796298
Websitehttp://boluoda.com/indel.html
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Henan Kehong Biological Technology Co. LTD
Telephone0371-55969461; 0371-86658258 17722895060
Websitehttps://www.kehobio.com
Molcoo Chemicals Inc.
Telephone 18672515910
Websitehttp://www.molcoo.com/
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 13052382393
Websitehttp://www.scrbio.com/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttp://www.tlcstandards.com
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/