... optional speed. 3,Great guidancequality 4,Be disassembled in small spare parts GQ-2 is a type of portable drilling rig.It ... governance; core identify of small bridge,roadbed,retaining walls and high ways.Drilling Dep. 10-15m Rod Dia. 42mmRotation Sp. 775, ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); GQ2 Portable Drilling Rig,10meter,water well and core capable