Detail: 3' ' -12' ' DTH Hammer High Pressure Downhole Hammer Downhole Drilling Introduction ItisakindofvalvelesshighairpressureDTHhammerwithfoot valve. Therockhammerhasthefellowadvantages ....
Xuanhua Jinke Drilling Machinery Co., Ltd. ( JINKE) located in Xuanhua, Hebei Province, 130 km from Beijing, for more than 20 years we have specilized in research, development and produce of rock....
Detail: Top Hammer Drilling Rig, Rock Drifter Drilling Rig Machine DRC300 Introduction DRC300 crawler pneumatic top hammer drilling rig powered by air compressor, the Top hammer drilling rig....