Gold Index: 978
Hejian RuiDa Petroleum Material Co.Ltd [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Cangzhou Province/State: Hebei Country/Region: China (Mainland)
high quality drilling bit
Features1.Size:3 3/4" (95.3mm)~26" (660.4mm)2.Cover all all IADC code3.Reliable quality and best price4.tungsten carbide insert tricone bit
2013-08-14
steel tooth tricone bit
Milled tricone rock bit
tricone rock drilling bit