1. Design Criteria of Steel Tower
1.1 Basic wind speed:40m/s,42m/s and 45m/s (3 second gust)
1.2 Exposure Category C and Topographic Category 1
1.3 Code: ANSI/TIA/EIA-222-G Latest
1.4 Antenna load: light-duty

2. Fabrication
2.1 Prototype assembly of each new tower type should be done before mass production.
2.2 Hot-dip galvanization in accordance with ISO1461-2009 and ASTM A123.

3. Steel Material
3.1 Legs Steel will be high tensile steel like Q420/Q345 with yield strength is 420/345MPa.
3.2 Others Steel will be middle steel like Q235 with yield strength is 235MPa.
3.3 Bolts will be follow ISO 898 grade 8.8/A325 Bolts

4. Quality and Quantity
4.1 We have been providing world top class design, engineering and manufacturing for telecommunication tower and related infrastructure materials worldwide and gaining a very good reputation in this field during past decades.
4.2 Our professional team have more than 80 years experience in this industry field. We are paying a