Polyester Needle Traction Belt 1,no creasing , 2,strong air permeability, 3,high friction 4,deformation-resistant Polyester Needle Traction Belt 1,long working life 2,Material:PET 3,high air permeability 4,deformation-resistant, 5,packaging:Hafu 6,the joint is importTraction belt is used for the transmission of producing process of corrugated paper, and stacking when moving forward through the ...