J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Disynthesis Chemical Technology Co., Ltd.
Telephone0571-88194596 15558156576
Websitehttp://www.disynchem.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Finetech Industry Limited
Telephone027-87465837 19945049750
Websitehttps://www.finetechchem.com/
Suzhou Maikaier Biological Medicine Technology Co Ltd.
Telephone 15952441622
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16445/0.htm
NovoChemy Ltd.
Telephone86-(0)21-31261262 373522135
Websitehttp://www.novochemy.com
Capot Chemical Co.,Ltd.
Telephone+86-（0）57185586718 +86-13336195806
Websitehttp://www.capot.com
Conier Chem & Pharma Limited
Telephone 13368167990
Websitehttp://www.canbipharm.com/
Nanjing NingFan Pharm-Tech CO. LTD.
Telephone17368696818
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30453/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Zhejiang Zetian Fine Chemical Co., Ltd.
Telephone0571-87682782 18957127338
Websitehttp://www.zetchem.com/
Finetech Industry Limited
Telephone+86-27-87465837 +8618971612321
Websitehttps://www.finetechnology-ind.com/
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
AFINE CHEMICALS LIMITED
Telephone+86-0571-85134551
Websitehttp://www.afinechem.com/index.html
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
