In recent years, green travel has become a topic of global participation, and the first one is the optimization of vehicle emissions. From improving fuel standards, vigorously developing new energy sources, and formulating plans to phase out fuel vehicles, the world is in full swing. Only from the second half of 2017, several countries announced the elimination of fuel vehicles. The deadline set by Norway is 2025, India is 2030, and Britain and France are both 2040. China, however, shouted that it would stop selling traditional fuel car products by 2025 and realize the electrification of full-spectrum products; this is undoubtedly adding fire to the elimination of fuel vehicles in the global market.

The train runs fast with the headband, and the key to the rise of new energy vehicles is the core technology. The so-called dilapidated new, dilapidated at the same time must ensure that the new products are mature, whether the time nodes of the suspension of fuel vehicles in various countries can be effectively realized, ultimately depends on whether the alternative market can really mature. On the one hand, it is necessary to solve the problem of battery power, on the other hand, the manufacturing materials are constantly innovating and optimizing Compared with traditional fuel vehicles, under the premise that the battery and power bottlenecks are difficult to break through, in order to maximize the driving range, it is more urgent to solve the problem of lightweighting of electric vehicles.

Aluminum is the best choice for manufacturing materials, and it is the metal material for automobiles that is second only to steel. Among them, aluminum alloy die-casting parts account for the highest proportion in the automotive field, reaching about 80%, and the application of aluminum alloy extrusions and rolled parts in automobiles accounts for about 10% each. From the downstream of the aluminum industry chain, cast aluminum alloy accounts for about 80% of automotive aluminum. The future aluminum alloy vacuum die-casting technology will be the most promising technology in the casting field. Aluminum profile technology is relatively mature at present, and China Nanshan Aluminum Industry Co., Ltd., Zhongwang Group and Asia Pacific Technology are all in the forefront of the world. The technical requirements for body panels and body stamping assemblies are relatively high, and most of them are joint ventures or imported by car companies.

However, from the current automobile manufacturing market, cost is still a major obstacle to the popularity of automotive aluminum. Subject to the cost issue, in addition to some of the big luxury cars, aluminum can not be used in the manufacturing process on a large scale; at the same time, the maintenance and maintenance costs of the all-aluminum body are relatively high. Various automobile manufacturers are also faced with the choice between steel and aluminum. When the automotive aluminum has not been fully popularized, the cost, reliability, strength and quality still need to be weighed.

In the future market, it is inevitable to develop new energy to limit internal combustion vehicles, and automotive aluminum profiles will surely break through various bottleneck barriers and enter the vast number of consumers. It is estimated that by 2020, the average aluminum consumption of passenger cars in China will reach 231kg, and the annual average compound growth rate will reach 15%. In the early stage, China has formulated a three-step plan for lightweight vehicles. It plans to reach 190kg of aluminum for bicycles and 15kg of magnesium for bicycles by 2020. In 2025, it will reach 250kg for bicycles and 25kg for bicycles. It will reach 2030 in 2030. The amount of aluminum used in bicycles is 350kg, and the amount of magnesium used in bicycles is 45kg. According to the statistics of relevant institutions, the amount of aluminum used in China's automobiles in 2015 was 3.12 million tons. It is estimated that the amount of aluminum used in China's automobiles will be 5.1 million tons in 2020. According to the market price of aluminum alloy for vehicles of 40,000 yuan/ton, the market space can reach 2,500. 100 million yuan. The compound annual growth rate is 12% from 2016 to 2020, of which SUVs and new energy vehicles will be the fastest growing areas for automotive aluminum.