extra rigid saw frame design ensures excellent angular accuracy and low vibration when cutting workpieces with very large diameters; The material support surface features driven feed rollers with extremely high-load capacity ,suitable for very heavy workpiece; Saw frame lifting adopted double oil cylinder control ,ensuring smooth working; The heavy saw blade tensioning reduces the workload and helps prevent inaccuracies and premature wear of the saw blade; One bi-metallic band saw blade and feed roller table are included