ProDrill Shock absorbers of DTH drilling are installed between the machine head and the drill pipe, as the name suggests, to provide shock absorption.
He sub adapter of drill-class production technology, and has formed a complete production system has a number of leading level of electro-hydraulic forging hammer, to control atmosphere furnace heat treatment production line and excellent Seiko CNC machine tool production equipment. All parts CNC machining, the key technology of CNC control to ensure that the products of high quality, high reliability.