... widely used in warehouses, workshops, large factories, and so on.Characteristics: 1. Wide span: single ... according to customer’s request.3. Fast construction and easy installation.4. Long using life: up ... -embedding anchor bolt.3. The beams and columns, beams and beams are connected with high intensity bolts ... PVC, metal, alloy aluminium, sandwich panel and so on. Prefabricated steel structure workshop