For 4-12 meter sheets, ACL Super long hydraulic folder. The machine is made from all steel, vibration treated roil to reduce internal stress. It has split sectional clampers whose maximum opening is up to 50mm, Fast angle adjustment is available. Long bearing is pressed by several cylinders and the folding board is supported by centripetal axle, which make it specially suitable to deal with long sheet such as ceiling and curtain wall. It may also combine a shear function as required.