Hub tray packaging cover plate with center hole higher than front face

A hub tray packaging cover plate with a center hole higher than the front face is used for stacking a plurality of sets of hubs between the hub tray packaging cover plate and a tray and comprises a bed board and a plurality of supporting strips fixedly connected to the bed board in the mode that a plurality of grooves are formed in a surrounding mode. The edge supporting strips are installed along the peripheral edge side of the bed board, the middle reinforcing supporting strips are arranged on the middle side of the bed board and divide the surface, surrounded by the edge supporting strips, of the bed board into a plurality of groove areas, the top faces of the supporting strips forming all the grooves form contact planes making contact with the corresponding hub outer rims, and in the contact state, the edge supporting strips and the middle reinforcing supporting strips are arranged on the periphery of the bed board. The height of the supporting strip is larger than the separation height between the cover