... wheel(2) Color: Black ,red, yellow ,green ,gray(3) Bearing: Ball, roller, nylon or without bearing(4) ... our equipments are the most advanced here. 3. self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER ... time: Within 20-30 days after receiving your deposit.(13) Price terms: FOB, and CIF(14) Shipment ... 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 ... , 6.50-8 Rubber Wheel 13*300-8