Material of A: Iron
Material of B: Iron
Surface treatment: Electroplating
Material of C: Zinc alloy
Surface treatment: Electroplating
Material of D: Zinc alloy
Surface treatment: Electroplating
Material of E: Zinc alloy
Surface treatment: Electroplating
Material of F: Iron
Surface treatment: Electroplating
Material of G: Iron
Surface treatment: Electroplating
Material of H: Iron
Surface treatment: Heat painting
Material of I: Iron
Surface treatment: Heat painting
Material of B: Iron
Surface treatment: Electroplating
Material of C: Zinc alloy
Surface treatment: Electroplating
Material of D: Zinc alloy
Surface treatment: Electroplating
Material of E: Zinc alloy
Surface treatment: Electroplating
Material of F: Iron
Surface treatment: Electroplating
Material of G: Iron
Surface treatment: Electroplating
Material of H: Iron
Surface treatment: Heat painting
Material of I: Iron
Surface treatment: Heat painting