... four wheels, the diameter is 1.1meter, 1.8cm thick iron and 10# bender making; Under wheel for five wheels, the diameter ... is 1.35meter, 2.0cm and 1.5cm thick iron making. Under wheel for sealing 3 layer. 5 ... manufacture. The main products are: dredger, gold vessels, dredgers, iron ship, iron extraction equipment (water selection, drought election), sand screening machine, crusher ...