... ,guide roller,rubber disc roller,and other type rollers.The tube materials can be steel,rubber coated,ceramic,PE and HDPE ... etc,. Tube/pipe diameter:60mm,89mm,108mm,133mm,159mm...up to 200 ... 2500 mm Our strong points:1,Full range types2,fine welding tube3,low vibration and noise4,special design and particular labyrinthine ...