J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com
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
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Perida Pharmaceutical Co., Ltd.
Telephone010-87568995 13439954790
Websitehttp://www.peridapharma.com
Shanghai ring qi biological technology co., LTD
Telephone 13524106587
Websitehttps://www.hq-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
sgtlifesciences pvt ltd
Telephone +8617013299288
Websitehttps://www.chemicalbook.com/manufacturer/sgtlifesciences-pvt-591/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Hefei fuya biotechnology co. LTD
Telephone 18096409024
Websitehttp://www.purerechem.com
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com