1. Fabrication
1.1 Prototype assembly of each new tower type should be done before mass production.
1.2 Hot-dip galvanization in accordance with ISO1461-2009 and ASTM A123.
2. Steel Material
21 Legs Steel will be high tensile steel like Q420/Q345 with yield strength is 420/345MPa.
2.2 Others Steel will be middle steel like Q235 with yield strength is 235MPa.
2.3 Bolts will be follow ISO 898 grade 6.8/8.8
3. Quality and Quantity
3.1 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.
3.2 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.