31/10/2018 · XCMG Three-arm Drilling Rig Assist The World's Longest Water Transfer Tunnel Construction. In late October, the desert in northern Xinjiang ProvPerfect Steerable Transfer Carte has been covered by snow. The XCMG three-arm rock drilling rig, which participated in the construction of the second-phase water supply project in Xinjiang ProvPerfect Steerable Transfer Carte, successfully arrived and assisted