The main and vice two winchs can meet construction site various requests. This type of drilling rig with different drilling tools for dry (short spiral) or wet (rotary bucket) and rock (core drill) into the hole operation,but also use with a long helix drill, underground wall grab, vibration pile hammer, etc. to achieve a variety of functions, mainly for municipal construction, highway bridges, industrial and civil construction, underground wall, water conservancy, anti-seepage slope and other basic construction.