... oil consumption and 80% environmental pollution separately in the tire treating processes, extremely environmental protection.3. May save 400 ... 300,000 tones per year! To produce a car tyre requires about 28 litres of crude oil. ... To retread a car tyre, on the other hand, only 5.5 ... tyre retreading machine,the size as follows,650-16,750-16,825-16,750-20,825-20,900-20,1000- ...