| 摘要 |
The present invention relates to a metal panel for construction used for interior/exterior materials of buildings. The present invention includes a metal reinforcing core attached between a metal surface plate and the other surface. The reinforcing core is formed in an opened ring shape having the opening between ends of both sides rolled in a circular shape so that air passes between the reinforcing core and a space inside the panel. The excellent flatness degree and durability are obtained and metal panels for the construction having uniform quality can be mass produced with low costs. |
