1. Audi Q3 rear bumper is about 2000 yuan (the price is for reference only), depending on the model (excluding sheet metal and paint). Automobile bumper is an accessory (wearing part) of automobile body parts, which is located in the front (called front bumper) and rear (called rear bumper) of automobile.

2. At present, the raw materials for injection molding front and rear bumpers of automobiles in China are generally toughened (modified) polypropylene (PP)- polypropylene poly (PP) plastic (commonly known as PP material), which has high melting point (up to 167), heat resistance and high density (0.90g/cm3). It is the lightest general plastic at present and has high corrosion resistance (tensile strength is 30MPa).

Bumper is the external covering of the front of the car. At first, the bumper was made of metal, but later it was found that it was more suitable to use plastic instead of metal.