J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Hefei Mokai Pharmaceutical Technology Co., Ltd
Telephone 19355912709
Websitehttp://www.yxjchem.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 13167063860
Websitehttp://www.aladdin-e.com/