.Material: q235 / q345 or material equivalent for required standards 2.Voltage : 10kv, 110kv, 220kv, 500kv or others. 3.Antenna support: 3-20 pcs wind pressure: 5-190 km/h 4.Surface coating: hot dip galvanization or painting (special treating for the long duration sea transportation) 5.Welding: co2 welding or submerged arc auto methods 6.Spare parts: parts for connection or installation will be provided 7.Design lifetime: more than 30 years 8.Capacity: 15000 mt per month 9.Type test accepted, pre-shipment test accept 10.Company audit accepted According to customer