... we have passed the authentication of ISO9001:2000 ,ISO/TS16949 international quality system.We are specialized in the following products:1 ... *9.00, 22.5*11.75, etc2, Profile wheel/heavy truck wheel: 6.00-20, 6.5-20, 7.00-20 ... -20, 9.00-20, 8.50-24 etc.3, Light truck wheel: 5.50-16, 6.00-16, 7.00-16 ... , etc4, Engineering and forklift truck wheel: 6.50-10, 6.50-20, 7.00-20 ...