INTRODUCTION
Concealed roof sheet molding machine is an undated version of traditional roll forming machine. Instead of using screws at joining position, the corrugated sheets produced by this line are Self-locked and have successfully solved the problem of leakage. The whole line consists uncoiler and its base, coil sheet guiding equipment, roll forming system, post-cutting equipment, and controlling

k span model: sx-120 sx-240 sx-650 sx-700 sx-750 sx-800