INTERSTATE TIRES quality standards:
- ISO-9001; International Standards Organisation
- DOT; Department Of Transporttation (U.S.A.)
- E-mark / E4; European approval
- EC; Tire Road Emission-sound Approval
- C.C.C.; China Compulsory Product Certification
- S-Symbol; European sound approval
- LATU
- GSO/GCC Conformity Certificate
- ISST low noise technology
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