Our wheel has applied the international patent while keeping the same grinding quality SPEED is several times quicker CONSUMPTION of diamond wheel are much less in respectively WHEEL LIFE is serveral times longer than traditional cup wheel GRINDING quality improve 12 grades COST PERFORMANCE is much more higher than traditional wheel Our wheels split structure design is also advanced in the industry As shown as bellow the working ring is consumable part while the wheel base can be recycled When the working ring ran out you can only change the ring