The structure is four - pillar guide, up - packing, doublecylinder and machine balancing system. ensures the parallelism of upper and lower working sides.

It is making up of decoiler, guide rack, roll forming, correction, cutting-to-length (punching), collection table, electrical control system etc.

Accounting-type management-oriented job responsibilities based on performance appraisal tool, it is worth to promote the construction enterprise project management.