J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Jinan Shangbo Biological Co., Ltd.
Telephone0531-61320525 15866703830
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30553/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684
Websitehttp://www.rrkchem.com
Jinan Carbotang Biotech Co.,Ltd.
Telephone +8615866703830
Websitehttps://www.chemicalbook.com/manufacturer/jinan-carbotang-biotech-107/