1.rubber wheel 2. Solid, pneumatic, PU 3. good quality and extremely competitive price (1) ... rubber wheel(2) Color: Black ,red, yellow ,green ,gray(3) Bearing: Ball, roller, nylon or without bearing(4) Type: ... . Currently our equipments are the most advanced here. 3. self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER supply to ... 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. ...