the precure tread is processed under 1200 tons of pressure , which ... machines-Curing chamber, Vulcanizing Tank, buffing machine/grinding machine, tread building machine, rubber stirring machine, rubber extruding machine, envelope ... machine, rubber crumb dust collector, tyre conveyor/Monorail, repair machine, handcart, hook, inspect machine, all necessary accessories, etc. tyre tread for retreading