Products Information：
Comifo hydraulic fastener replaces fasteners such as screws or rivets.
It is especially used in HVAC engineering, which joins two or more mental sheets together through cold extrusion without rivets which is widely used in the western countries. It features sturdy welded structure, maintenance-free motor, reliable, low-noise fastening. Since two joins per second are created. In a cold forming process the power fastener cuts and forms the connecting element out of the working material.
In this process, the upper sheet is tightly and positively connected to the lower sheet. Comifo can make different sizes of die according to customers’ requirements.
Comifo 
Helen Lin