1. Quality standard
- Certification: ISO9001:2000, SGS Standard
- Code for design of steel structure: GB 50017-2003
- Technical code of cold-formed thin-wall steel structure: GB50018-2002
- Load code for the design of building structures. GB 50009-2006
- Construction quality acceptance of steel: GB50205-2001
2. Material grade and performance of steel
- Carbon structural steel: Q235.
- High-strength low-alloy structural steel :Q345
- Special purpose steel
3. The characteristics of steel
- Light weight steel structure
- Environmental protection (recyclable steel)
- Higher reliability of steel work
- Strong anti-vibration (earthquake)
- Higher degree of industrialization
- Quick to be assembled accurately
- Larger interior space
- Poor fire-resistant steel
Structure steel support truss for railway station