Changsha prospecting Machinery Factory was founded in 1958, under the Hunan Provincial Bureau of Geology and Mineral Resources Exploration and Development, China Geological Equipment Corporation, one of the member units. For the development, sales geological prospecting mainly machinery and equipment, to foreign operations, internal services functions. The factory, the production of various kinds of geological exploration equipment capacity for 1,000 sets, the main products are: QWK-18A, QWK-30-1 series of people carrying portable drilling rig; WTY-30, QWY-30 Light geophysical drilling rig; GY-50(50meter), GY-100(100meter), GY-150(150meter), GY-200-1(200meter) Series engineering investigations drilling rig; GY-300A(300meter), GY-600(600meter), XY-44A(1200meter) series of core drilling rig; GX-50 high-speed small-bore drilling rig; ZDJ series shock drilling rig; BW-70, BW120QF, BW160QF, BWQ-160, BW160, BW280 series mud pump; various geological pipe, drilling tools. Situ ore products has