1. Our Own Brand: AOSO.Wepromisecompetitive price, prompt delivery and good service. 2.Tyre sizes: TBR from 6.50" to 22.5", BIAS Tyre from 5.00" to9.00". 3. Product line includes truck and bus tyre and bias tyre. 4.Our certificates: CCC,ISO,DOT,GCC,SGS,SNI 16949 .