Construction machinery manufacturer / supplier in China, offering New Machinery 246kw 83 Ton Rotary Drilling Rig Ycr260 with Drilling Depth 100m Factory Price, Factory Price Hot Selling 246kw 74 Ton Rotary Drilling Rig Ycr220 with 100m Drilling Depth, Hot Selling 194kw 62 Ton Rotary Drilling Rig Ycr120 with 55m Drilling Depth in Africa Market and so on.