ZMKG,foundedin1984,hasbeenatrustedpartnerinthecoalminingindustryfor38years,withprovensalesperformanceandrecognitionasthepreferredchoiceformillionsofcoalminesnationwide.OurcoreproductsincludeDirectionalDrillRods,GeologicalDrillRods,RibbedDrillRods,MWD(MeasurementWhileDrilling)DrillRods,GroovedDrillRods,andTriangularDrillRods.Fordetailedspecificationsandtechnicalsupport,visittheofficialZMKGwebsite.