1. In order to meet the requirements to use all kinds of colored sheet and materials (high and low strength sheet), our company improves the design of the forming press and adds a herringbone roller between wave crests of profile, which makes pressed sheet flat, beautiful appearance and increase the strength of the flat sheet.
2. All the rollers are forged from the high quality steel and are processed intensely through high frequency hardening and quenching and tempering. The surfaces of the rollers are plated with hard chromium. The rollers are smooth and wear proof.