全棉無鋼帶小(xiao)波紋橫裝墻面板(ban) 鋁鎂錳板(ban) 開口(kou)式及閉口(kou)式組合樓板(ban) ; 各種(zhong)c、z型鋼 壓制不銹鋼板(ban)及厚型的(de)彩鋼瓦
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專注鋼結構專注鋼結構
