Shanxi Qishan Compressor Rental Co., Ltd. has hundreds of second-hand and second-hand air compressor rig for you to choose which sell old hole drilling, are welcome! Impactor Selection: Selection impactor must work pressure, drilling parameters such as size and lithology basis. (1) working pressure rating based on the appropriate level of reasonable impactor. (2) choose the appropriate model based on hole diameter impactor. (3) the impact of the election according to the respective lithology. Recommend the use of high-frequency low-energy soft rock type impactor DTH old diamond prices, hard rock using low-energy impactor. Drill down approach: (1) the master switch to the manual position to sell the old hole drilling much money, improve the drill. (2) when the impact is raised to about one meter away from the aperture stop for the wind, blowing against collapse orifice. (3) stopping the rotation mechanism, to stop the fan. (4) off the power. Close air, water pipeline. Shanxi Kisan Compressor Rental Co., Ltd. to provide you with the sale of second-hand and second-hand air compressor rig, leasing and recycling business! And a variety of drilling contract drilling works! Which sell old hole drilling, Heilongjiang old DTH drill, air compressor provided by the Shanxi Qishan Kisan compressor Leasing Corporation. Shanxi Kisan Compressor Rental Co. (www.qskyjzl.com) (www.qskyjzl.com) strong, credible, in Taiyuan, Shanxi compression, separation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Qishan compressor and you hand into the brilliant, for a better future! You can also access (www.qskyjzl.com/supply_details_42060975.html), for more information about the company.