shandong fenglun tyre co ltd We are a tyre factory to produce all kinds of tyres ,such as :OTR , TBR . Radial tire: 10.00R20 , 11.00R20 , 12.00R20 , 12.00R24 and so on. Bais tire: 17.5-25; 20.5-25; 2400-35; 2100-35 ; 33.25-35 ; 3700-57; 4000-57; 50/80-57 and so on.