Product Description

1.Used for punching corner combination of Alum window and door, and four corner connecting is available at one time 2. the frame is specially joint by steel with high quality and then dose special process ***** device can move forward and backward, which make the operation convenient 4. synchronous punching with the help of low-pressure and high pressure conversion function, which can improve the location accuracy and corner combining quality ***** corner combining tool suitable for processing various profiles 6. reliable hydraulic pressure system