Shanghai Xingui Biotechnology Co., Ltd.
Telephone 17501653713
Websitehttp://www.ansitan.com
Shanghai Na Qian Chemical Technology Co. Ltd.
Telephone0373-7129549; 13598610367
Websitehttps://www.chemicalbook.com/supplier/11167012/
Henan Alpha Chemical Co., Ltd.
Telephone0371-0371-55055611 18137792234
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31206/0.htm
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815987 13927875076
Websitehttp://www.wj-chem.com
Wuhan Brin Technology Co., Ltd.
Telephone3456065315 13260619011
Websitehttp://www.bulin.xyz/Index.htm