J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Nanning Saifir Biotechnology Co., Ltd.
Telephone 18877121284;15078879878
Websitehttp://www.scifer.cn/
Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
LangFangshi Zekang Pharma Tech CO.,Itd.
Telephone0316-2883536 19333636468
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1466071/0_EN.htm
Shaanxi Didu New Material Co., Ltd
Telephone81124267 17392282731
Website
Shanghai Easy CDMO Co.,Ltd
TelephoneInfo@easycdmo.com 13564957716
Website
Shenzhen Qingtian Biotechnology Co, Ltd.
Telephone18823167005 18162969855
Website
hubei PharmaStandard Co., Ltd.
Telephone027-19050701 13545374703
Websitehttp://www.hbpharmastandard.com
Shenzhen Xingyue Biotechnology Co., Ltd
Telephone18124513697; 18124513697
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1474902/0_EN.htm
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
