galvanlized frame steel structure workshop

대형 스팬 아연 도금 프레임의 맞춤형 강철 구조 작업장

High Quality Large Span Galvanized Frame Customizable Steel Structure Workshop Product Specifications Attribute Value Raw Steel Material Q235B, Q355B, ASTM A36 Application Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part Surface Treatment Painting or Hot-DIP Galvanized ...