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If you can provide the following project data, we are able offer you with accurate quotation.1.Data For Design*Dead Load/Live Load*Wind speed(KM/H) *Snow load (KG/M2)?*Rain load (KG/M2) *Earthquake load if have ?*Demands for doors and windows ?*Crane (if have) ,Crane span, crane lift height, max lift capacity, max wheel pressure and min wheel pressure!2.Material Quality*Windows and doors quantity,size and location*Roof and wall material ,sandwich panel or corrugated steel sheet (steel sheet can not heat insulation)3.Type*size--width,length,eave height and roof slope*single slope or double slope*single floor,double floor or multi floorsteel structure---specificationBrand NameEach MetalItem Name:Steel Structure BuildingMaterial:Grade Q235, equivalent to ASTM A36. Grade Q345, equivalent to ASTM A572.Section:Any product shape according to customer& acute;s requirementsCertification:ISO quality system, Chinese GB50221-2001Sand Blast:Sweden SA 2.5 Sand blastingWelding Technology:Single level butt welding, fillet welding by electric arc welding, ?and Gas shielded welding.Surface treatment:Hot dip galvanized, Epoxy zinc rich primer Standard: ISO1461(1999),JIS H 8641-1999,ASTM A 123/A 123M-02Welding TestingUltrasonic Testing, X-ray TestingManufacturing TechnologyDrilling, Cutting, Assembling, Welding, Rectification, Testing etcMain ComponentsBaseCement and steel foundation boltsMain frameH beamPurlinC or z purlin: Size from C120~C320, Z100~Z20BracingX-type or other type bracing made from angle, round pipe, etcBoltPlain bolt and High-strength boltRoof &wallSandwich panel or color plateDoorSliding or rolling doorWindowAluminum alloy windowSheet0.5mm or 0.6mm galvanized sheetAccessoriesSemi-transparent skylight belts,Ventilators, down pipe, Galvanized gutter, etc The reason for choose each metal? Workshop pre-install.? Professional on-site guidance? Ensure the product quality.? Timely service and progress? Production according welding rules a = 0.7 x thickness of web? Continuous weldi