this conrer cutting saw features: 1) it has feature of easy operation, reliable performance, advanced technique and convenient maintenance. 2) used for corner stake of alum profile cutting and for plastic profile cutting 3)auto profile feeding device is availabel 4)suitable for large volume production 5)with PLC process controller, man-machine interface operation ,clamping and feeing process adopt pneumatic controll, it has feature of high automation, reliability and production efficiency.