English 
Zhejiang Yonghui corrugated roller shows the world's largest door width 3600mm wide circumferential heating internal absorption corrugated roller, roller surface length 4000mm, diameter 600mm, is the corrugated packaging industry beyond the door again, but also another test of corrugated roller processing technology ability, fully verified the Yonghuai corrugated roller of high precision, high speed, super wear-resistant technical advantages!
