J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chengdu Aslee Biopharmaceuticals, Inc
Telephone028-85305008 02885305008
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16417/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Chengdu Aslee Biopharmaceuticals, Inc.
Telephone28-85305008
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList778448/0.htm
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn