Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Zhengzhou Ruke Biological Co., Ltd.
Telephone 15981811963
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30552/0_EN.htm
Henan's chemical products co., LTD
Telephone0371-60919097 15378766539;
Websitehttp://www.psaichem.cn/
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
ZhengZhou Edward Biology Co.,Ltd
Telephone13298105281
Websitehttp://www.edwardbiology.cn
Huangshi Linze Chemical Technology Co., Ltd
Telephone13597734902 13597734902
Websitehttps://china.guidechem.com/suppliers/com-chenghuanren.html
Zhengzhou Haochuang New Material Co., Ltd.
Telephone19139721821; 19139721821
Websitehttps://www.chemicalbook.com/supplier/148360348/
