J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shandong Boluoda Biological Technology Co., Ltd.
Telephone0531-68651502
Websitehttp://boluoda.com/indel.html
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Shanghai Han-Xiang Chemical Co., Ltd.
Telephone 17754423994
Websitehttp://www.biochempartner.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone13316949107 13316968096
Websitehttp://www.szbotaier.com/
TOSUN PHARM
Telephone020-66392521-118 18922260391
Websitehttp://www.toref.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Jiangsu Hongmin Pharmaceutical Co., Ltd.
Telephone18221292452
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList34013/0_EN.htm
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://www.standardpharm.cn/
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Molcoo Chemicals Inc.
Telephone 18627923403
Websitehttp://www.molcoo.com/
Wuhan Yingnuo Pharmaceutical Technology Co., Ltd.
Telephone+86-027-59232304 15387063101
Websitehttps://www.yingnor.com/
Scinova Biotech(Guangzhou) Co., Ltd.
Telephone 13268215580
Websitehttp://www.scinova-e.com/
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
