J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
AllyChem Co., Ltd.
Telephone0411-62313318 13942603642
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList677/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 18013972705
Websitehttps://www.aikonchem.com/
Shanghai Arbor Chemical Co., Ltd.
Telephone021-60451683 15001705751
Websitehttp://www.arborpharmchem.com/