Design norms:

"Steel Design Code" (GB50017-2003)

"Cold-formed steel structure technical specifications" (GB50018-2002)

"Construction Quality Acceptance of Steel" (GB50205-2001)

"Technical Specification for welded steel structure" (JGJ81-2002, J218-2002)

"Technical Specification for Steel Structures of Tall Buildings" (JGJ99-9)

Specifications:

Main Steel: H section steel column , H section steel beam , C/Z purlin

Conection Method: bolt connection

Wall&Roof: EPS,Rockwool, glass fiber sandwichpanel, Corrugated steel sheet 

Office Ceiling: Light steel keel+plaster board

Door: Rolled up door or Sliding door; MDF Door; Steel Door

Window: Plastic steel or Aluminum alloy window

Crane: 3T-30T