... quality certificate : ISO 90012.Internal strict quality checking 3.Superior warranty and service 4.competitive price and good ... 2.50-4 ,3.50-4,3.00-4,3.50-8,4.00-8,3.25-8,3.00-8 and so ... wheels, semi pneumatic wheels, PU flat free, bearing rims, valves, inner tubes, and tyres , having the experience of more ... ISO 9001PRODUCTION WORKSHOPKINDS OF PACKAGES FOR TYRES wheelbarrow tire 3.50-8 with ISO 9001