J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
MQ (shanghai) Pharmaceuticals Co., Ltd.
Telephone 13761635123
Websitehttp://www.linyuepharm.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
LEAPCHEM CO., LTD.
Telephone+86-852-30606658
Websitehttp://www.leapchem.com
Hebei Duling International Trade Co. LTD
Telephone +8618032673083
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1283525/0.htm