3A SpeedChemical Inc
Telephone21-65679720
Websitehttp://www.speedchemical.com/
Shanghai Youde Chemical Technology Co., Ltd.
Telephone021-37910267 15821801668
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31283/0_EN.htm
Ningbo Chemrio Chemtech Co,.Ltd.
Telephone0574-27891269 18667892864
Websitehttp://www.chemrio.com/
Shandong fen Boyu Biotechnology Co.,LTD
Telephone13356310019 13356310019;
Websitehttps://www.chemicalbook.com/supplier/25479786/
Shanghai Yanfen Biochemical Technology Co.,LTD
Telephone13611955358 15002190549
Websitehttp://www.yanfenbio.com/