Prefab Steel Structure Workshop with Large Span and Multi-Floor Design

High Standard Steel Structure Building Large Span Industrial Factory Shed Workshop Product Specifications Raw Steel Material Q235B, Q355B, ASTM A36 Application Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part Surface Treatment Painting or Hot-DIP Galvanized Service Life 50 Years Wall and Roof Steel cladding sheet, Sandwich Panel Columns & Beams H-Section Steel Shot Blasting Level SA 2.5 Certification CE, AISC, SGS, BV, ISO, GB Installation Engineer