1. High-capacity band control by two-speed motor 2. Vertical rotation on bolt with adjustable tapered bearings without backlash 3. Band stretching is obtained by electro-mechanical blade tensioner with microswitch 4. The saw bow can rotate around. 5. Double speed selection. 6. It is characterized by manual/automatic operation mode. 7. Has power break device (the machine will automatically power off when the rear protective cover is opened). 8. The falling speed of saw bow is controlled by hydraulic cylinder. 9. It is equipped with a block feeder (with fixed saw length). 10. Has sizing device (the machine will automatically stop after sawing the materials). 11. The hydraulic system automatically controls the up and down of saw bow and the tightness and looseness of the jaw. 12. The cooling system can prolong the service life of saw blade and improve the precision of the workpiece. 13. Has an optional PLC system.