J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Anyang Hongmeng New Materials Co., Ltd
Telephone0372-19588588067 19588588067
Websitehttp://www.fundingchem.com/
Tianjin Rongshen Chemical Co., Ltd
Telephone18317763565; 18317763565
Websitehttps://www.chemicalbook.com/supplier/25873679
Anyang Hongmeng New Materials Co., Ltd.
Telephone 19588588067
Websitehttp://www.fundingchem.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
Zibo Hangyu Biotechnology Development Co., Ltd
Telephone+86-0533-2185556 +86-15965530500
Websitehttps://www.chemicalbook.com/manufacturer/hangyu-chemical-25178/
