全棉無鋼(gang)帶小波紋橫裝墻面板(ban)(ban) 鋁(lv)鎂錳板(ban)(ban) 開(kai)口式(shi)及閉口式(shi)組合樓板(ban)(ban) 各種c、z型鋼(gang) 壓制(zhi)不(bu)銹鋼(gang)板(ban)(ban)及厚型的彩鋼(gang)瓦