Sales tel: +86-23-65157761

           Technical Tel：+86-23-89863764(logging) / +86-23-89863740(geo-electric)

                                     +86-23-89863772(seismograph) / +86-23-89863065(Oceanography & sensor)

Address：No.2 Xianfeng Street, Shapingba District, 400033 Chongqing, China
   Email: cdy@cgif.com.cn                Web: http://www.cgif.com.cn