we produce various types of ore -wheel, for example: 600 gauge diameter of 300 wheels, 600 gauge 350 mine the wheel diameter, material, which has two kinds of cast steel and cast iron, shaft rough 50 mm, 55 mm, 60 mm and 75 mm, track wheel diameter 200, 240, 300, 600 and 350 are all in stock, track, 762, 900, 1435, to be customized.