1. Design Criteria of Steel Tower

1.1 Basic wind speed=110KMPH (3 second gust)

1.2 Exposure Category C and Topographic Category crest height

1.3 Design Code: ANSI/TIA/EIA-222-G Latest

1.4 Max Antenna Load 22m2

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 6.8/8.8

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 lot of attention for quality and quantity issues during each procedures in order to avoid any possible mistakes which help our clients a lot.
4.3 SGS or BV physical pre-inspection are acceptable