Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Zhengzhou Guancheng Laboratory equipment Sales
Telephone0371-88888888 272369594
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0.htm
Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Beijing Haite lesk Technology Co., Ltd
Telephone15210893940; 15116916250
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList804170/0.htm
Shandong Territorial sea Biological Technology Co., LTD
Telephone 15092083467
Websitehttp://leadhigh.com.cn
