J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Wuhan Chemduro Pharm Tech Co. Ltd.
Telephone18040571231/1402788087
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16292/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Hangzhou Jinghao Biotechnology Co., LTD
Telephone17513242016
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1421058/0_EN.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Hu' nan Yunbang Pharmaceutical Co., Ltd.
Telephone88532689 15386497078
Websitehttp://www.yunbangapi.com
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
Watson Biotechnology Co.,Ltd
Telephone +86-18186686046
Websitehttps://www.chemicalbook.com/manufacturer/cnwhwatson/