5 EASY FACTS ABOUT CGWA GUIDE LINE DESCRIBED

Mining gear / DTH Drilling Rig MWYX-420 seprated DTH drilling rig is equipped which has a twin-motor rotary head as well pumping solution as a rotary speed-adjustable multi-way valve. The rotary torque is usually 2200N.m, which meets the requirements of φseventy six drill pipe and 130 hole diameter. The contamination levels in open wells are sign