J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Zhengzhou kangnuochenrui Chemical Technology Co.,Ltd
Telephone18210788515; 18210788515
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17156/0_EN.htm
Hebei Beckman Biotechnology Co., Ltd.
Telephone15961617865 15961617865;
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList129051/0_EN.htm
Jiangsu Congsheng Chemical Co., Ltd.
Telephone 18651116180
Websitehttps://www.congzhongchem.com
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850 +86-15355479329
Websitehttp://www.leapchem.com
