Premium Quality Wholesale China Factory Direct Construction Building Material of 129.6m × 84m Warehouse Equipped with Roof Ventilators

Premium Quality Wholesale China Factory Direct Construction Building Material of 129.6m × 84m Warehouse Equipped with Roof Ventilators. Full Customization Options: Customized size, color, drawing design, and surface treatment available. 50 Years Lifetime: Designed for a long service life of 50 years with durable materials. Earthquake Resistance Grade 8: Structure meets Grade 8 earthquake resistance standards for safety. ISO and CE Certified: Certified with ISO 9001, 14001, 45001 and CE EN 1090 EXC2. Fast Delivery Time: Standard delivery within 3-5 weeks or 25-45 days depending on project. Comprehensive After-Sales Service: Includes technical support, installation guidance, and maintenance. High-Quality Steel Materials: Uses Q235, Q345, Q355 steel grades with hot-rolled molding method. Flexible Insulation Options: EPS, fiberglass, rock wool, PU, or PIR sandwich panels available.