构成：采用优质彩色涂层钢板为面层，内夹岩棉，采用手工制作工艺。四周采用铝合金龙骨或镀锌钢带龙骨框。
洁净板材生产及安装。
Composition: Using high-quality colored coated steel plates as the surface layer, with rock wool sandwiched inside, using manual production technology. Aluminum alloy keel or galvanized steel strip keel frame is used around.
Clean sheet production and installation.
