... ,low noise,durable 2.weight:680kg high efficiency GWH-45 arc bending machine 1.Mainly used for large construction projects , such as bridges ... station , the subway project reinforced 360 degree arc formingFeatures:Dual capstan drive structureThe machine adopts the calcium-based grease lubrication , filling convenienceEasy ... ,please feel free to contact me. high efficiency GWH-45 arc bending machine