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We specialize in supplying quality drilling equipments for mining, quarrying , water-well drilling ,tunnelling and construction for many years .Our products cover the following: 1,Top-hammer drilling tools including drill bitscross bits, button bits, x bit, retrac button bits, coupling, adapter coupling, taper rods,taper cross bits, integral rods, extension rods, M/F speed rod, shank adapter, etc 2,DTH drilling tools including Air DTH hammer, Water DTH hammer, DTH bits with DHD,COP,SD,QL, MISSION, MACH and various famous shank. ODS system(ODEX), etc 3,Drag bits including Step and Chevron types,2-wings drag bits, 3-wings drag bits, 4-wings drag bits,Claw type, clay bits,etc 4,Rock drills including handheld rock drills, air leg rock drills, stopper, internal combustion rock drills, motor driven rock drills, hydraulic rock drills, etc.           5,Diamond core drilling tools including the diamond core bits(BQ,NQ,HQ,PQ,TT,T2,T6,etc) at DCDMA, Sw