the difference of tire retreading ratio. In 2009FY, amount of retreaded tires
in China is only 13 million units and retreadingratio is less than 5%. For traditional passenger
vehicles, retreading ratio is 0%. While in developed countries, average retreading ratio is more than
45%[8]. In the U.S., retreading ratio is more than 95%, 15% for heavy-duty (truck ) tires and
passenger vehicles respectively.