机械设备

R-15旋挖钻机                                       R-518旋挖钻机                                             吊车                                         BH-7液压抓斗                                            BH-12液压抓斗                            Ditch Witch 75R型钻进导向仪          JT4020型开挖导向钻机                                       5700型犁沟机                                  JT920L型非开挖导向钻机