120 180 Aluminum Door and Window Corner Crimping Machine for Corner Connection

120 180 Aluminum Door and Window Corner Crimping Machine for Corner Connection. Professional corner crimping for aluminum door and window frames, tightly combines 45 degree cut profile joints to get firm and neat corner connection effect. Powerful pneumatic driving system provides stable crimping force, adjustable crimping position fits different profile specifications for flexible production. Solid heavy duty machine body reduces working vibration, guarantees consistent corner quality for mass production with simple operation steps.