Conf Hongfa Mine Drilling Tools Co. www.hfkyqj.com, is producing a variety of drill pipe, drill diamond mining professional manufacturers. The factory covers an area of ??12,000 square meters, 200 employees, 15 senior engineers, 30 technicians, with fixed assets of 10 million yuan, the annual production capacity of 3,000 tons, of which 90 drill a 1.2 million. When the digging operation, the drill bit rotating about a vertical axis, while for axial movement. The soil is cut in torque and axial force drill role was destroyed in the extrusion and the centrifugal force of the blade work and pounding broken loose, flowing pressure to form a soil pit wall, while the elevator to the surface of the page. When the earth moves to free Pit stop the flow at the time, due to the centrifugal force pulverizer was thrown around the pit, to complete the digging process. Our detection means complete, with high physical and chemical testing equipment, product quality meet the state requirements, relying on the excellent product quality, excellent service, won the trust of hundreds of long-term fixed customers. Products are exported to the cloud, Sichuan, Guizhou, Shanxi, northeast provinces, municipalities, autonomous regions and the rest of the Bureau of Mines. Our honesty, Recruitment world passenger to quality, customer first for the purpose of listening to customer feedback. Meet customer requirements. We welcome new and old customers to cooperate in good faith - to visit and seek common development. Contact: Mr.Song Tel: 13703720818 Zhongqi