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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Suzhou Rovathin Foreign Trade Co.,Ltd
Telephone0512-65816829 18662214788
Websitehttp://www.rovathin.com/
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
