... ,equipment ,machine etc 2. pneumatic wheel=Tyre + Tube + Rim assembled2.1. Tyre Layer: 2ply,4ply, ... Black,Grey etc 2.2. Inner Tube Material: Natural rubber and Butyl rubberInner Tube Rubber Percentage: 20%,30%,40% and ... :1.1. We have own factory for Rubber Wheel,Solid Wheel,Flat Free Wheel,Motorcycle Tyre ... customers.We can supply you other kinds/models rubber wheels(pneumatic wheel/solid wheel/PU wheel) ...