... sizes through the replace punching moulds to complete. Forming machine is combined and adjustable, one set of combined rollers ... line can produce many sizes of cable tray according to producing requirement.(material steel width 100mm≤§≤860mm)2, Line speed: ... , servo feeding, JF21-200B punching, punching dies, guider, forming machine, cut-to-length device, collection table and electrical control.etc