Steel Pole Anti-Corrosion Treatment
· Anti-Corrosion Treatment: Internal and external hot-dip galvanization
· Galvanization Process: Pickling, hot-dip galvanizing, water washing, phosphating, and passivation
· Zinc Coating Thickness: ≥ 86 μm

· Surface Quality: Smooth, uniform, free from wrinkles, sagging, peeling, or defects
· Color Retention: ≥ 8 years
· Corrosion Protection: ≥ 20 years service life

Powder Coating Process
· Powder Coating: Electrostatic polyester coating (color options available)
· Surface Preparation: Polished to enhance adhesion
· Curing Process: Time and temperature strictly controlled for uniform coating
· Coating Thickness: ≥ 100 μm

· Adhesion Standard: GB9286-88
· Surface Finish: Smooth, even, pore-free
· Hardness: ≥ 2H
· Durability: Designed for outdoor environments