全棉無鋼帶小波(bo)紋橫裝墻面板(ban)(ban) 鋁鎂錳板(ban)(ban) 開口(kou)式(shi)及閉口(kou)式(shi)組合樓板(ban)(ban) 各種c、z型鋼 壓(ya)制不銹鋼板(ban)(ban)及厚型的彩鋼瓦
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專注鋼結構專注鋼結構
