Zhangjiakou Xuanhua Jinke Drilling Machinery Co., Ltd. is professional development, production of various DTH drilling rig of large enterprises. The main products are: JK590, JK580, JK380(D), CL351, CM458A (D) series of down-the-hole drill; JKS200, JKS300, JKCS300, JKS400, JKS600 series of impact type well drilling. DTH drilling machine is widely used in mining, hydropower, traffic, national defense projects and stone mining blasting engineering, also can be used for port waterway underwater rock blasting. Impact type well drilling is widely used to drill wells, geothermal air-conditioning drilling of large aperture, deep hole operations. The company has perfect sale service and repair network to provide strong support to Customer, Products are well received by domestic and abroad customers.