we manufacture rock drilling tools have 11 years experience in china .have chisel bit , cross bit, button bit, taper button bit, thread button bit(R25/R32/R38/T38/T458/T51), taper drill rod , shank rod , integral drill rod, coupling , and DTH hammers .
if you offer the samples .we can mank it .
we have a happy cooperation with anyone.
Company Manufacturer
Website http://dxrock.en.stonebuy.com
chisel bit, cross bit, button bit, taper button bit, thread button bit, drill rod .
in , China
2 stones supplied in stonebuy.com.
China, 
