J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.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/
Baimei Jihua (Henan) Pharmaceutical Technology Co., Ltd
Telephone0371-037188900765 18037465274
Websitehttp://www.baimeijihua.com
Jinan Xinzheng Pharmaceutical Technology Co., Ltd.
Telephone0531-88798968 18615218958
Websitehttp://www.xinzhengchem.com/
Shanghai Hongju Pharmaceutical Technology Co., LTD
Telephone 18001895509
Websitehttp://www.hongjupharma.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn