1. ISO and AWS Certificate2. 17 years of production experience3. Material: Q235B/A36,Website:http://www.transmission-towers.com, Q345B/A572 Gr 50, Q420B/A572 Gr 604. Hot DIP galvanization as ASTM A-1235. OEM is welcome6. High quality with reasonable price7. Can produce various height and structural tower8. Monthly production capacity can reach 10000 Metric tons 9.Life time : 20years 10. Warranty: 2 yearsPerformance StandardsBesides conforms to the drawing and design, the materials and fabrication of tower components shall conform to the following standards (Chinese Standards) and customer's requirements.Steel pipe/angle/hybrid tower welding requirements1 )we used CO2 welding and submerged arc auto welding or other methods.2 )Welded seam shall be full penetration and grinded.3 )The welded product has no fissure, scar, overlap, layer or other defects. Terms Detail Height 5-100Meter Wind Pressure 0-300 KM/H Details & Shape Mono pole, single pole ,triangular pole,square 4 legged, tubular or lattice type or combined Material Q345B/A572, minimum yield strength >=345MPA; Q235B/A36, minimum yield strength>=235MPA Surface treatment Hot dip galvanized as  ASTM A- 123, color polyester power ,painting or any other standard by client required. Design We can design free of charge if Qty is numerous, client should supply the design parameters. Standards ISO 9001 Welding Submerged  arc  welding , internal and external double welding makes the welding seam beautiful in shapeWelding Standard :AWS ( American Welding Society ) D 1.1 Working & Resting Platform Quantity 1-3 PCS Antenna Support 3-18 PCS Microwave Dish 3-18 PCS Spare parts All Necessary parts, e.g. Antenna Mount pole and Brackets , Climbing Steps, Safety Guide Cable tray,ladder, Lightning Rod, Mounting bracket for Obstruction light,  Holding down bolts/nuts, and all other bolt and nuts required for erection and installation We can design and fabrcate all series of telecom towers. 3 legged or 4legged, tubular or lattice towers. Mirowave tower, radio and TV tower, radar tower and roof top tower. medium wave tower, We have established collaboration with many international corporations such as Sinopec group, China National Petroleum Corporation(CNPC), State Grid Corporation of China, China Mobile Corporation, China Unicom,Huawei etc. We guarantee the the safety of the towers we supplied. We fabricte according to client's drawing or design according to supplied design parameters.