J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Zhengzhou Guancheng Laboratory equipment Sales
Telephone0371-88888888 qq272369594;2159423853qq
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0_EN.htm
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