J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
Zhengzhou Guancheng Laboratory equipment Sales
Telephone0371-88888888 272369594
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0.htm
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400-6387771-6039 18920564737
Websitehttp://www.heowns.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com