J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Guangzhou Isun Pharmaceutical Co., Ltd
Telephone020-39119399 18927568969
Websitehttp://www.isunpharm.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Beijing Keyi Tongda Technology Development Co., Ltd
Telephone 17743531240
Website
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/