1.Hot Dip Galvanizing: for chemical protection, preventing steel base materials from rusting from inside to outside zinc-rich.
2.Phosphatization: strengthening adhesive force between paint film and basterials.
3.Organic Zinc Epoxy Powder Coating: superior anti-erosion performamnce and anti-bump performance.
4.colorful polyester powder coating: anti-ultraviolet stability, long-term anti-dirt performance and surface self-cleaning performance.