1.Using air pressure, it saws and cuts at an average speed, which can be adjusted at your will.2.Producing efficiency is greatly improved by adjusting the switch of the air jar according to the width of the material.3.It is used to saw and cut aluminum material, and can cool down by automatic oil-spouting device. The effect of sawing and cutting will be better if saw flake is lubricated.4.There are four air jars around the machine, and any material fixity is reliable.5.As the pressure of the air jars can be adjusted, different materials can choose the right pressure.6.It can be used widely. It is indispensable for aluminum material,steel-modeling furniture,wooden line,indoor decoration industry, etc.