There is a carrier of the handling tool. Its wheels are divided into PU rubber wheels, steel wheels, nylon wheels. PU rubber wheel: It has characteristics of abrasion resistance, non -pressure marks, mute, shock absorption and other characteristics suitable for marble, tiles, and epoxy grounds. Can effectively protect the ground. Nylon wheel: Compared with the PU wheel material, it is harder to drive light, stable chemical performance and other characteristics are suitable for cement ground. Steel wheel: Good bearing capacity, suitable for use for high -strength ground and large tonnage equipment. Rolling friction resistance on the steel plate is very small, long service life, easy maintenance, large bearing, large load, good stability, small resistance, and not easily damaged. So choose the suitable wheel material according to the ground.