Pole: Q235 high quality steel, disposable roll bar molding, automatic submerged arc welding technique 15-30 meters in height custom galvanized + electrostatic spray high temperature baking, plastic powder adhesion rod zinc layer thickness is greater than 85um, spray thickness greater than 130um battery plate bracket: 1 angle iron parts, easy to transport, two welding brackets for easy installation by salt spray simulated sea conditions, corrosion resistance, service life of 20 years under the caliber of 140mm caliber 65mm wall thickness of 3mm. Flange 260 * 260 pole production process: (1) cutting → (2) Bend → (3) welding → (4) repair sanding → (5) plastic → (6) welding flange → (7) to open the door → (8) welded door frames, electrical strips, lock bottom → (9) welding arm → (10) galvanized → (11) polished spray → (12) total seizure → (13) Delivery source: 400w Philips Spotlights Light, protection grade IP65. life of 10 or more with automatic lifting system.