Characteristics:1. Wide span: single span or multiple spans, the max span is 36m without middle column.2. Low cost: Unit price range from USD20/m2 to USD50/m2 according to customer's request.3. Fast construction and easy installation.4. Long using life: up to 50 years.5. Others: environmental protection, stable structure, earthquake resistance, water proofing, and energy conserving.Materials:1. The main frame of light steel structure warehouse(columns and beams) is made of welded H-style steel.2. The columns are connected with the foundation by pre-embedding anchor bolt.3. The beams and columns, beams and beams are connected with high intensity bolts.4. The envelop construction net is made of cold form C-style purlins.5. The wall and roof are made of color steel board or color steel sandwich panels, which are connected with the purlin by Self-tapping nails.6. Doors and windows can be designed at anywhere which can be made into normal type, sliding type or roll up type with material of PVC, metal, alloy aluminum, sandwich panel and so on.Design TeamQingdao Senwang Steel Structure building Stock Co., Ltd has the certificates such as the first class construction certificate and the first-class design certificate for steel structure, net rack and glass wall. Now we have 1260workers including more than 320 national first class registered architect, the fist class registered designer and builder.   Our Services1. Professional design and engineering team: Full solution for steel structure design.2. Procurement and Manufacture for all material for prefabricated building. We have a professional procurement team to make sure all the materials are with good quality. And our factory operation under ISO/CE/SGS standard, to make sure the fabrication works with high technology.3. Site management & Installation supervision, We could send our engineers to help for the installation supervision, you just need to prepare a team which know normal construction works will be OK. In order to long-term friendly cooperation with you, we are focusing on product quality. So you can trust us completely!