prefab steel structure carpark

多階建ての長距離鋼製駐車場構造 Q235B Q355B

Multi Storey Large Span Prefab Steel Structure Carpark Components Recyclable Product Specifications Application Prefab Steel Structure Carpark Features Light Steel Structure, High Strength, Multi-storey, Large Span Type Prefab Steel Structure Carpark Raw steel material Q235B, Q355B Surface treatment ...