... , rub resistance, natural rubber tire and steel rim make sturdy wheel.(6) Material of rim: Steel or ... 3. self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER supply to tyre ormacom pleteset to use ,both reduce ... production cost and ensure trye quality ,cut ... 8, 4.00-4, 4.00-6, 4.00-8, 4.80/4.00-8, 5.00-6, 6.50-8 Wheelbarrow rubber wheel 350-8 ...