Shanghai Boc Chemical Co.,Ltd
Telephone021-34975603-808 18721111801
Websitehttp://www.bocchem.com/
Dtchem Laboratories,（Gan Su）Co.,Ltd.
Telephone 18993966060
Websitehttp://www.techbiochem.com
Porse Fine Chemical Co.,LTD
Telephone20-66003216 18666003216
Websitehttp://www.porsefinechemical.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
