... 2.supply directly,competitive price 3.certificate:ISO9001,CCC wheel/barrow tyreProfessional manufactureroperate more than 10 yearswheelbarrow wheel,rubber wheel,trolley ... :Rubber power extude by mould Wide range of use :Wheel barrow ,Hand trollrt cart ,dustbin lownmover etc Main Size : 6"X1 ... "X3.00-4 13"X3.00-8 main products:(1)barrow tyres, inner tubes(natural rubber inner tubes, butyl rubber inner ...