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
Nanjing crow LuNing pharmaceutical technology co., LTD
Telephone13382066392
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30681/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Manhag Testing Technology Co., Ltd
Telephone400-818 0104 18918165978
Websitehttp://www.bepurestandards.com/
Shanghai Yiyan Biotechnology Co. , Ltd.
Telephone021-69985186 13611928337
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1691458/0_EN.htm
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
Xibiao (Shanghai) Technology Co., Ltd
Telephone18512111473 18512111473
Websitehttps://www.xibiao-tech.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
