aluminum roll body smooth finish is 0.8, dynamic balance is G2.5; Aluminum tube generally have 8-10 reinforcement Aluminum Roller ... quality of aluminum, and use advanced processing technology, the surface is using anodic oxidation treatment, we have two types of this ... (white) or HV700 (twanty), roll body smooth finish is 0.8, dynamic balance is G2.5; Aluminum tube generally have 8-10 reinforcement ...