roller bits

China Highest Quality Kingdream Tricone Rock Bit With Center Hole Company profile Hebei Guangtong Manufacturing Co is a professional manufacturer engaged in the research, development, production, sale and ... Read More

API 9 1/2 IADC 617 Kingdream Tricone Rock Bit For Drilling Hole That Customer Trust Company profile Guangtong company was built in 1983, over the years by a number of the majority of customers, our company has ... Read More

API China Hot Sold Kingdream Tricone Rock Bit For Drilling Hole Company profile Guangtong company is specializes in drill bits,drill pipe,Mud pump and stabilizers for water well,oilfield,construction,geothermal... Read More

API China Tricone Rock Bit Drag Bits For Mining And Rock Drilling That In Hot Selling Company introduction Hebei guangtong Manufacturing Co is a professional manufacturer engaged in the research, development, ... Read More

China Hotsale Metal or Rubber Sealed Bearing Kingdream Tricone Rock Drill Bits For Mining with API certification Company introduction Hebei guangtong Manufacturing Co is a professional manufacturer engaged in ... Read More

High quality TCI rock drill bit or TCI drill bit for sandstone drilling Main features 1. Cutting Structure of this type sealed and non-sealed tci tricone bits : The wear-resistance of teeth is enhanced with ... Read More

China High Quality TCI button drill bit Manufacturer with API certification Product information Tricone bit Cutting structure: very long widely spaced ,chisel-shaped inserts and considerable cone axis offset ... Read More

8 1/2" IADC 637 Oil Rig drill bit Manufacturer that customer trust Company profile Guangtong company was built in 1983, over the years by a number of the majority of customers, our company has been in the ... Read More

High Quality Geolorgical Explor Cone Bit Manufacturer Company profile We have many years' experience in research and production of petroleum equipment. With flexible company structures and advanced technologies... Read More

Geolorgical Explor Cone Bit Manufacturer with API certification Company profile Guangtong company was founded three decades, and always adhere to market-oriented, innovation as a starting point, to provide ... Read More