... future through our consistent efforts.Tricone bit1.High-strength, high flexibility, high temperature, high wear resistance.2. High-precision metal seal.3. Locking roller ball ... , to adapt to high-speed.4. The use of high strength high toughness carbide teeth,5. Hours in the rotary cone bit ... adapt to the soft, medium and hard of various strata.7. Reasonable price and long working life.