... chamber/Autoclave, buffing machine/grinding machine/Tread buffer,tread building machine/tread builder, rubber stirring machine, rubber extruding machine/extruder, envelope spreader ... machines ----other accessariesTread rubber,envelope,steel rims,sulfide inner tube,repair tools ,air compressor and other necessary ... . *Building-The buffed tyre needs a thin layer of cushion gum to be wrapped around its ...