1.First-class produce equipment with crane(max 50T.) 2.High-qualified (ISO9001:2000)material 3.Professional engineer designer Thiskind Steel structure material is enviromental protection, is easy and fast ininstallation, and saves costs, labours. in addition, it ispractical, stableand safe in constructions and structures. steel structure We can design,fabricate andinstall all kinds of steel structure warehouses,buildings. Steel materials: Carbonstructural steel: Q235, Q345, etc. High-strengthlow-alloy structural steel Quality carbonstructural steel and alloy structural steel Specialpurpose steel Steel structure commondesign specifications are asfollows: "Steel DesignCode" (GB50017-2003) "Cold-formedsteel structure technical specifications" (GB50018-2002) "ConstructionQuality Acceptance of Steel" (GB50205-2001) "TechnicalSpecification for welded steel structure" (JGJ81-2002,J218-2002) "TechnicalSpecification for Steel Structures of Tall Buildings"(JGJ99-9) Main Steel: Column and beam(H style),square steel tube,C/Z purlin Surface: Hot dip galvanized or paintedwith all colors we can do. Conection Method: Welding or coldrolled Wall&Roof: EPS,Rockwool,PUsandwichpanel, Corrugated steel sheet with fiber glasswool Door: Rolled up door or Slidingdoor(sandwich panel) Window: Plastic steel or Aluminumalloy window Crane: 5T,10T,15T,20Tect. Bolt:Foundation bolt(M24,Q235), Highstrengthen bolt(M20X70) , Normalbolts(M16x50;M12X30) Welcome your further request for more information. It's our sincere wish that we can know each other better, and work together in the near future.