MF drill rod 1.T38,T45,T51 2.manufacture of series drill rod 3.professional technical team 4.ISO9001:2008 T45 MF rod length 3660  :Our company can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, MF...

extension drill rod 1.T38,T45,T51 2.manufacture of series drill rod 3.professional technical team 4.ISO9001:2008 T45 extension drill rod  :Our company can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill...

MF drill rod 1.T38,T45,T51 2.manufacture of series drill rod 3.professional technical team 4.ISO9001:2008 T38 T45 T51 MF drill rod  :Our company can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods,...

Drill rod/ Casing pipe AQ NQ,HQ,PQ drill rod NW,HW,PW,NX,HX,PX casing pipe boart long year standard ISO9001 certificate henan zhongmei drill tool HQ drill rod   :we can produce NQ HQ diamond core bit,reamer shell,core barrel,drill rod and other drill tool used for...

nq hq drill rod AQ NQ,HQ,PQ drill rod NW,HW,PW,NX,HX,PX casing pipe boart long year standard ISO9001 certificate 3m nq hq drill rod(88.9*5.6mm)   :we can produce NQ HQ diamond core bit,reamer shell,core barrel,drill rod and other drill tool used for geological...

extension rod/drifter rod 1.T38,T45,T51 2.manufacture of series drill rod 3.professional technical team 4.ISO9001:2008 drifter rod/extension rod/speed rod for drfting and tunneling :Our company can offer many kinds of drill bits, including chisel type bits, cross type bits,...