1.Brand name:DLSS steel menbers

2.Meterial:Q195, Q215, Q235, Q255, Q275, Q345, Q345B

3.Certification:SGS ,GHD ,ISO9001:2000,ISO14001,GB/T28001-2001

4. Surface treatment: anti-rust paint with 5 layers

5. Carrying capacity:: Resistant to earthquake up to 9 grade and heavy snow.

6. Lifetime: up to 50 years

7.Drawing: DLSS can design it, or if you have design we can quote accordingly to it.

8.Steel structure design norms:

"Steel Design norms" (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" (JGJ99-98)