The charging pile material requires weather resistance, oil resistance, flame retardant, good insulation performance, anti -ultraviolet, antioxidant.  
Advantages of plastic:  
The traditional metal shell charging pile is good, but the shape cannot be separated from the stereotypes of the four or four squares. The ruled design has long been unable to meet the needs of public consumers to personalize, customized, and differentiated. Compared with traditional metal cases, plastic can achieve alien curved shells, light transmission, thousands of colors, high gloss or fog surface effects. The degree of freedom provided by plastic to industrial designers is unmatched by metal materials. Choose plastic shells to ensure that charging piles and their own streamlined models maintain fashion and consistency. Size stable metal case processing from sheet metal, cutting, bending, and welding assembly.