uses super "mirror" 415mm polishing roller with six grooves,with strong penetration andhigher polishing efficiency to inprove 30  uses super "mirror" uses super "mirror" 415mm polishing roller with six grooves,with strong penetration andhigher polishing efficiency to inprove 30%  efficiency,and be more suitable for high-weight fabric.The damping roller device of feeding.makes the tension adjusting more convenient.and the polish tension more stable.Expander device helps feed more smoothly,no crease,no press marks and improve the leldTake control of the distance of bell digitally,leads the bell pressure more intuitive,and easu to operate.A dopts japanese precise digital temperature controller to control more accuracy,within ±2digrees.Increase the automatic on-line feature,with high active expanding device,automatic correcting device,automatic stop device,stop-line hanging from the hammer device,it will be more automatic and will reduce the labor when on-line.