J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chiba Pharmaceutical Science and technology Co, Ltd.
Telephone0531-81313138 13066006660
Websitehttp://www.chibapharm.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shijiazhuang Jing Kang Technology Co.Ltd.
Telephone 13933818572
Websitehttp://www.jingkangchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com