उत्पत्ति के प्लेस
Hebei, China
processing type
Roller Cone Bit
certification
ISO&API tricone drill bits
teeth type
TCR(button tooth bit) and steel tooth bit
gauge
gauge protection tricone bits
bearing type
sealed and open(non-sealed)
sealed type
journal bearing and roller bearing, floating bearing
series
tricone rock roller bits,PDCbits and single cones
technical support
product test