Manufactured automatically in our factory, the pre-engineered metal building systemuses bolts instead of welds to erect. It is widely used for industrial factories,commercial buildings, distribution centers, dinning halls, shops, warehouses, hangarsand multi-story steel buildings.Features and benefits:1. It is of light deadweight. It requires lower base treatment2. Because the components of this metal system are manufactured in our workshop,the construction time can be shortened3. This structure is handsome in appearance and flexible in structure. Under certainparameters, this structure is more economical4. For the erection of this structure, bolts are used instead of welding, which canavoid the possibility of getting out of shape occurred in welding.