First Tower power transmission towers are designed and produced in accordance with EN or ANSI or other international standards. 

• Structure : Self supporting ( free stand) ,  Guyed tower
• Type:  Suspension tower, Strain tower, Terminal tower, Angle tower, Crossing tower.

• More specification

Type
Suit for	Electricity transmission line
Shape	Conoid ,Multi-pyramidal,Columniform,polygonal or conical
Material	ASTM A572,S355,Q235,Q345,Q360 or equivalent internation standard
Voltage	10KV, 66KV, 110KV,132KV,220, 400KV, 500KV ect
Surface treatment	Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required.
Joint of Poles	Insert mode, flange mode
Earthquake	Against 8 grade
Wind Speed	50m/min
Welding	AWS D1.1 standard.  CO2 welding or submerged arc auto methods
Life Period	30 years
Standard	ISO 9001:2008
Thickness	2.5mm -30.0mm

 

• Various shapes:

 

 First Tower Co., Ltd. located in the famous China's largest production base. Its fixed capital is 5000 million RMB, with 400 skilled workers, 35 professinal engineers, covering an area of more than 60 acres. First Tower is a combination of design, production, transportation, installation and maintenance. The main products of our company are corrugated metal culverts, assembled corrugated culverts, high tension power line iron towers , transmission pole, communication towers, telecom poles, television tower, wind tower, lightning tower, watch tower, etc.

   Our products have passed ISO9001:2008, according to EN and ANSI standard. We had passed SGS inspection and can apply for CE certification.

Packing:  Covered by ploy on pallets, or other packages suritable for seaworthy.

Shipping: Within one month after contract signed.

Quality Management system:

• ISO 9001:2008 certificate .
• Many steps guarantee no fissure, scar, overlap, layer or other defects, internal and external welding makes the pole more beautiful in shape
• Before  production, all the material must be passed the chemical and physical analysis to   make sure that they have met the requested strength and component.

Inspection system:

• Inpection team : Experienced engineers, technonolgy workers, advanced test equipments .
• Qulity system: GB/T19001-2008-ISO9001,GB/T 24001-2004-ISO 14001,GB/T28001-2001
• Manufacture standard: ASTM A123 or AS/NZS 4680:2006,  AWS ( American Welding Society ) D 1.1  or Euro standard.