DOT,CCC,ISO9001 certificate, off-the-road tyres size for 15.5-25,17.5-25,20.5-25, ... under many conciitions,with estensively universal characteristic,the combination of special tread design,stock compound and strong carcass structure design provides ... resistances,excelletn traction,the tyre is a kind of durable tyre extensively suitable to various mining areas,buiding sites. heavy dump truck tyres