Glavanzed H-Section Prefab Steel Building for Warehouse (Steel Structure Warehouse). Earthquake Resistance: High strength structure capable of resisting grade 8 earthquakes. Wind Resistance: Designed to withstand wind speeds up to 35m/s. Long Lifespan: Durable construction with a service life exceeding 50 years. Customized Design: Various layouts, beautiful appearances, and customizable wall and roof colors. Wide Span Capability: Maximum span distance of 36m without middle columns. Fast Construction: Time and labor saving installation process. Eco-Friendly Material: 100% recyclable excess materials with no waste produced. Customized Wall Thickness: Wall thickness options ranging from 50mm to 150mm.