J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Chenzhu Pharmaceutical Co., Ltd.
Telephone 13162380607
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19091/0_EN.htm
Yantai ShengKailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttp://www.sklnchem.cn
Nanjing Cyclization Biotechnology Co., Ltd.
Telephone 18605270162
Website
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/