... big steel pipe 8mm-120mm,high speed , high precision+-0.01,good quality,good service LYJ-475CNC,Super and high speed CNC cutting steel cutting ... .2.Two kinds of speed: high and low, you can choose different speed according to different material.3.Floating clamping and automatic ... cooling Hydraulic system 2.2lw/4,Double oil pump work pressure25-35KG/CM22.2lw/4,Double oil pump work pressure25-35KG/ ...