1. Single and double-edge track roller suits for undercarriage and special machinery ranging 3 to 50 tons.
2. Double conical sealing and lifelong lubrication designing enable the track roller to have longer service life and perfect performance in any circumstances.
3. The shell made by hot forging treatment obtains superior structure of internal materials and fiber
4. Differential quenching or feed-through quenching heat treatment is effective in crack resistance.