Outside envelope expander- cold retread 1.used to apply envelope 2.Vertical structure 3.Bent frame, beautiful and durable Outside envelope Expander-cold retread General Specification: Booking No.810000ModelFTC-IOverall size2250*2000*550mmWeight160kgPowerminimum 0.8Mpa, air supply pipe diameter1/2inchMax. Tyre diameter1300mmMax. Tyre Weight136kgFunction Description: 1With vertical structure, ...