we manufacture rock drilling tools, chisel bit, cross bit, button bit, thread buton bit, and so on

we manufacture rock drilling tools, have chisel bit, cross bit, button bit, and rod .coupling sleeve.

we manufacture rock drilling toos , have chisel bit, cross bit, button bit, taper drill rod, integral drill rod , and so on .

we manufacture rock drilling tools , chisel bit, cross bit, button bit and theread button bit .and taper drill rod .

we manufacture button bits, thread button bit-R32/ R3/ T38/ T45/ T51 thread button bit and Retrac button bit, drop center button bit,

we manufacture rock drilling tools, chisel bit, cross bit, button bit and thread button bit , Guide tube , and rods.

we manufacture intergral drill rod . taper drill rod and button bit .thread button bit, chisel bit, cross bit.

we manufacture tapered drill rod have H22, H25 taper drill rod

we manufacture chisel drill bits, tapered chisel bit and so on

we manufacture button bits , have tapered butto bit with 6/ 7/ 11/ 12 taper .

we manufacture rock drilling tools, tapred rock drilling tools, have chisel bit, cross bit, button bit

the button bits such as tapred button bit, thread button bit, drop center button bit, retrac butto bit

we manufacture rock drilling tools , chisel bit, cross bit , button bits and so on