Nanjing Chemedicine BioTech Co., Ltd.
Telephone15722927296
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30522/0.htm
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Henan Fangding Technology Co., LTD
Telephone15670369782 15670369782
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1679665/0.htm
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/