Beijing Yisiyan Technology Research Center
Telephone010-56645598 13366904824
Websitehttp://www.bjkaida.cn
Grader reagent
Telephone18221735425
Websitehttp://www.shxinping.net
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Guangzhou Chengchuang Biotechnology Co., Ltd.
Telephone 18027266590
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1004528/0.htm
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichem.com/