... rubber wheel(2) Color: Black ,red, yellow ,green ,gray(3) Bearing: Ball, roller, nylon or without bearing(4) Type ... sturdy wheel.(6) Material of rim: Steel or plastic.(7) Use: It can be used for wheelbarrow, hand ... Currently our equipments are the most advanced here. 3. self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER ... 3.00-4, 3.50-4, 4.10/3.50-4, 3.00-8, 3.25/3.00-8, 3.50-6, 3.50-7, 3.50 ...