J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Shandong Mantang Hongxin Material Co. , Ltd.
Telephone13065055261 13065055261
Websitehttps://www.zghuayuan.com/
Shanghai Easy CDMO Co.,Ltd
TelephoneInfo@easycdmo.com 13564957716
Website
Shandong Mantanghong New Materials Co., Ltd
Telephone 15508636828
Websitehttps://www.zghuayuan.com/