Tel 86-21-63210123
Email sj_scrc@sinopharm.com
Tel 0755-66853366 13670046396
Email orders@qcsrm.com
Tel 03716091-9097 13383857418;
Email 1520689222@qq.com
Tel +86-0571-88938639 17705817739
Email info@dycnchem.com
Tel +86-0371-86658258 +86-13203830695
Email laboratory@coreychem.com