Correct blade flatness and tension can providing a consistent cut. A flat blade plays a critical role in the quality of final product. Flattening and tensioning saw blades provides improved performance in any cutting application, as it assures that the blades will run at operating speeds without wobbling. Straightening and tensioning of a saw blade ensures that the blade runs true during cutting. Donglai Metal has advanced circular saw straightening and tensioning system, the saw blades are automatically straightened and tensioned on a leveling machine to attain the desired tension and run out figures. Every blade undergoes this strict flattening and inspection process for the utmost quality and longevity.