Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Guangzhou Hongyuan Chemical Co.,Ltd
Telephone 15817493340
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1222417/0.htm
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Wanxin Biotechnology (Jiaxing) Co., LTD
Telephone0573-83568680 18057391398
Website