Bolt Connection Easy Installation Steel Warehouse Industrial Inventory Storage Use 1. Product Description A fully bolted steel warehouse designed for industrial inventory storage. All structural members—columns, beams and purlins—are prefabricated and pre-drilled in the factory, then assembled on site with high-strength bolts. No welding is required during installation. The frame adopts Q235B/Q345B steel with hot-dip galvanizing or anti-rust painting as standard options. It