Nanjing Chemlin Chemical Co., Ltd
Telephone025-83697070
Websitehttp://www.echemlin.cn
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Guangdong Shengke Biochemical Technology Co., Ltd.
Telephone189-25112307 18925113981
Websitehttps://www.sk-chem.cn
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/