... .g:Chisel Type Bits,Cross Type Bits,Button Bits,Tapered Drill Rod,Shark Adapter Rod Standard,Drifting Rod,Coupling Sleeve,Shank ... -hole Bits,Latent-hole Rod,Coal Cuter Drilling Tools,Pneumatic Drill Rods,Integral Drill Rods etc.) we can also produce other products according to ... relations with you.We trust important business can materialize. Integral Drill Rods