J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Yantai Zhengxin New Material Technology Co. LTD
Telephone13854547682 13854547682
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1444924/0_EN.htm
Heze Shuying Biotechnology Co., Ltd.
Telephone 18553078733
Website