... .3 inch to18 inch 2.Puncture proof natural rubber 3.Manufacturer in China 4.DOT,CCC,ISO,INMETRO ... SONCAP 1, Strengthen quality: thicken tire and tube, good rubber rate, long life using 2, Low price with a ... , multifunctional using: wheelbarrow, hand trolley, pallet cart, sack truck, garden machine and so on 6, Efficient production, short ... according to customer’s requirement and demand. rubber wheel