In the 1920s', Germany have used racing alloy wheels made of sand casting, and apply the alloy wheels on the car in the 1940s'. In the late 1950s’ they developed a casting overall alloy wheels, and have started large-volume promote the use of alloy wheels to the developed countries since 1970s’.
China began the production of alloy wheels in the late 1980s’. With the total sales of China’s car production is more than 7.2 million in 2006, China has become the world’s third largest auto producer and the world’s second largest auto consumer. At the same time, annual alloy wheels’ production of auto and motorcycle in China are also more than 62 million, which makes China become the world’s largest producer of alloy wheels and a large share of exports.
To meet the demand functions and market, alloy wheels have two design in structure such as monolithic and modular design; the appearance of alloy wheels has wide spokes, narrow spokes, multi spokes, little spoke and so on; the appearance style of alloy wheels have painting, spoke car light topcoat lacquer, polished lacquer coating, electroplating, and other appearance requirements; paint colors of alloy wheels have sports silver, fine silver, light smoke gray, black and other requirements of different colors. However, the main development trends and the pursuit direction of alloy wheels’ appearance and structure design are large-scale, high-strength, lightweight, of soft, beautiful and pretty.