... YX25-840-11050 roofings to (convex)ARC-shape, L-shaped, U-shaped, and C-shaped; YX25-840-1050 Automatic Hydraulic Strike -Curving Machine ... Delta Made In Taiwan );(3) Hydraulic System;(4) Hydraulic Punching Mould;(5) Auto Feeding Device;b. Main Technic Parameter:◊ Size: ... -840-11050 roofings to (convex)ARC-shape, L-shaped, U-shaped, and C-shaped;◊ Feature: This machine is used for crimping curving ...