SynAsst Chemical.
Telephone021-60343070
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0.htm
Qingdao haohai anjie pharmaceutical technology co., ltd.
Telephone156-6622-8711 18639325623
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList419129/0.htm
Zibo Biopolar Rongchuang Pharmaceutical Co. Ltd.
Telephone0533-6092686 13371592196
Websitehttp://www.bp-rongchuang.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/