Description of Drilling bits:
We mainly producing:
4-18" High air pressure down the hole DTH hammers & Bits (DHD, COP,SD,QL,Mission,Mach,NUMA shank & our designer items,etc.)/
1-3" Middle-low air pressure down the hole DTH hammers & bits(BR,CIR,J shank,etc.)/
Drill rods,drill pipes/
Reverse circulation DTH hammers & bits/
Overburden casing systems/
Top hammer drill bits,retract button bits/
Hole opener bits/
Shank adapters,coupling sleeves(other spare parts)/
Besides our self-developed items, we can produce on your design.
Contact me if you are interested.