Below is a group product of Rock Bit.
Product List
This series inserted bit adopts non-isometry teeth placement in combination with optimized teeth height and ...
[Last Updated: 2009-12-22]
This series have two kinds of classification: Inserted bit and steel tooth. Inserted bit is inserted teeth ...
[Last Updated: 2009-12-22]
This series applies float ring that have high strength and processing precise, and prolong the bit bear ...
[Last Updated: 2009-12-22]