J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Aikon International Limited
Telephone025-58859352 13913916777
Websitehttp://www.aikonchem.com
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Jiaxing Hengrui Biotechnology Co. LTD
Telephone0573-0573-82672231 13757365595
Websitehttp://www.jxruihengbio.com/