J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
HangZhou YuHao Chemical Technology Co., Ltd.
Telephone0571-82693216
Websitehttp://www.yuhaochemical.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Shaanxi Xihua Chemical Industry Co., Ltd
Telephone17691182729 13992773979
Website