Characteristics 1. Wide span: single span or multiple spans, the max span is 36m without middle column 2. Low cost and maintenance: unit price range from USD35/m2 to USD70/m2 according to customers request 3.Fast construction and easy installation: time saving and labor saving 4.Long using lifespan: up to 50 years 5. Nice appearance 6. Others: environmental protection, stable structure, High quake-proof, water proof and fire proof, and energy conserving. Our advantage 1.Materials Cost Construction and material costs for traditional structures are much more expensive than a prefabricated steel or metal buildings,and as a result ,our products are more cost effective. 2.Quick Assembly Pre-fabricated steel structures arrives at the construction site in ready-to-assemble sections.All you have to do is lay it out and about it together.As most kits arrive with all components included,they are simple to assemble and provide massive savings on labor and material costs. 3.Improved Flexibility,Desgin and Portability Prefab steel buildings are expandable and manufacturers are also very flexible and accommodating to design and engineer custom plan for you project,offering you more freedom in the design and layout of your building.In addition,you can simply add another section to the steel building if you need more space or disassemble the it and more it with you if need to be in another location.