J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Dtchem Laboratories,（Gan Su）Co.,Ltd.
Telephone18993961550 18993966060
Websitehttp://www.gsdtchem.com/
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttps://www.sincopharmachem.net
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 15250997978
Websitehttp://www.njxizebio.com
Tonichem Pharmaceutical Technology Co., Ltd.
Telephone+86 (0752) 222-7171, +86 15815821171
Websitehttp://www.tonichem.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Shanghai CR Corporation Limited
Telephone13917420128 13062833949
Websitehttp://www.crcorporation.cn
Aikon International Limited
Telephone025-58851090 13913916777
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-66392521-118 18922260391
Websitehttp://www.toref.cn/
Shanghai Fuyi Biological Technology Co., Ltd.
Telephone 18096642264;18096409024
Websitehttp://www.foreversyn.com
CR Corporation Limited
Telephone
Websitehttp://www.crcorporation.cn/
sgtlifesciences pvt ltd
Telephone +91-8790379245
Websitehttps://www.chemicalbook.com/manufacturer/sgtlifesciences-pvt-591/
Hefei Hangang Pharmaceutical Technology Co., Ltd.
Telephone +8618062405514
Websitehttp://www.ipurechemical.com
