The melamin resinous ritual cup is mfd. by (a) mixing a melamin resin powder with a cellulose powder, an asbestos powder, a glass fiber powder and a coloring agent to obtain a moldable resinous powder, and (b) introducing the powder into the mold, and molding it by the heat-pressing method. The mold includes an upper die plate (4), a lower die plate (6) and partial plates (12,13). The plate (6) is bonded to the bottom plate (19) of the heat press, and the plate (4) is bonded to the top plate (18) of the heat press, and connected to the vertical bar and ball.
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