We professionally manufacture steel structure and design steel structure. Steel structure is fire-proof, steel structure is heat -insulation and non-shrinking. This steel structure has little pollutions. Buildings of steel structure are safe, easy to install and disassemble. This steel structure can be used multiple times without special tools.Materials:1.Main structure: welding H steel2.Purlin: C section channel or Z section channel3.Roof cladding: sandwich panel or corrugated steel sheet with fiber glass wool coil4.Wall cladding: sandwich panel or corrugated steel sheet5.Column barcing and transverse brace: angle steel or H section steel or steel pipe6.Knee brace: angle steel7.Roof ridge: corrugated steel sheet8.Wrapping cover: color steel sheet9.Roof gutter: color steel sheet10.Rainspout: PVC pipe11.Connecting: high strength bolts Features:1) Materials: Q235 & Q3452) Design according to customer's requirement.3) Manufacture with high quality control.4) Engineer helps to instruct installation.5) Easy to assemble and dismantle.6) Main materails: H beam/C purlin/Z purlin/sandwich panel/ corrugated steel sheet7) Life: Over 35 years8) Nice appearance,easy to maintenance.