Shanghai Chiral bio-compound co., Ltd.
Telephone021-5068 3667/17749785980/1029026415; 17749785980
Websitehttp://www.chiralmol.com/
Hebei Yanxi Chemical Co., Ltd.
Telephone+86-17531190177; +8617531190177
Websitehttps://www.chemicalbook.com/manufacturer/hebei-yanxi-chemical-283/
Hebei Mojin Biotechnology Co., Ltd
Telephone+86 13288715578 +8613288715578
Websitehttp://www.mojinchemical.com
hebei hongtan Biotechnology Co., Ltd
Telephone+86-86-1913198-3935 +8617331935328
Websitehttp://hbht123.com
Hebei Guanlang Biotechnology Co., Ltd.
Telephone+86-19930503259 +86-19930503259
Websitehttps://www.chemicalbook.com/manufacturer/hebei-guanlang-biotechnology/