high pressure down-hole roller bit water hole:two match hammer:3-8inch 90-203mm bit Good quality, low price With yeas of experience, now Zhongrui can manufacturer the best quality DTH rock drill bits, DTH hammer and chisel bit, thread button bit. Now we can supply...

rotary hammer drill water hole:three match rock drill:hydraulic pressure T45, T38,R32 GT60 thread rod Button bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced...

high pressure down-hole drill bit water hole:three match hammer:340,350,360,380 Long service life ISO certificate DTH drill bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials,...

high pressure down-hole drill bit water hole:two match hammer:350 high quality with low price DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...