| 摘要 |
PURPOSE: A prefabricated wall shelf supporting board is provided to be easily manufactured at low costs and to be easily transported. CONSTITUTION: A prefabricated wall shelf supporting board comprises a sickle type die casting bent insertion unit, an extrusion insertion pipe(6), and a die casting finishing piece(8). The sickle type die casting bent insertion unit has insertion protrusions on both side ends of a main body. The extrusion insertion pipe is cut after molding and forms plane area. On both side ends of the extrusion insertion pipe and both protrusions of the bent insertion unit, a coupling hole is formed.
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