Tel 0755-4000505016 13380397412
Email 3001272453@qq.com
Tel +86-020-81960175-877 4000-868-328;4000-868-328
Email tianwen.zhan@cato-chem.com
Tel +86-0755-66853366 +86-13670046396
Email export03@qcsrm.com
Tel 18627923403
Email 3001039764@qq.com
Tel 18124513697; 18124513697
Email jjj18822823697@163.com