prefab steel structure carpark

Structure de parking en acier préfabriqué à grande portée et à plusieurs étages 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 ...