Detailed product description 200m depth hf200 portable water drilling machine Hydraulic trailer type Easy operated Good performance Wide application Best seller in 2012 drink water drilling rig !!! HF200 portable drink water mini drilling rig for sale 200m depth hf200 portable water drilling rig machine for sale Hf200 water well drilling rig 1> drill max200m depth, max 300mm open diameter (end hole 75mm) 2>it equip different drill bits to drill complex stratum, such as sand, soil, clay, hard rock etc 3>hydraulic system control and trailer type , easy to operate and move 4>it can be used for drilling water well, geothermy well, soil sampling or mining sampling, geological prospecting etc, wide application 5>national inspection-free product, quality guarantee, it can be used at least 10 yrs without full repair;as well as we offer you one-year quality warranty of main machine.