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Aerial work platform is a special aerial work machinery that lifts operators, tools and materials to the designated position in the air through the work platform for various installation, maintenance and other operations. It belongs to both special vehicles and engineering machinery. It is an important construction equipment. High safety, high operation efficiency and high environmental adaptability require high-altitude operation platform as an engineering vehicle, its particularity lies in: first, manned high-altitude operation, its operation safety requirements are higher than ordinary engineering vehicles, that is, the so-called high safety; Second, the environment of the construction site is non structural, that is, its working environment is unpredictable and changeable, so it is required to have high adaptability to the environment; Third, it is often used for emergency repair operations, and most of them are outdoor or field operations. The operating environment conditions are poor, so it is required to have high efficiency. The characteristics of urban engineering vehicles. At present, China's users are basically concentrated in cities or towns, and their working environment conditions are better than general transportation vehicles and engineering machinery, Moreover, it is mainly used for the back-end and daily maintenance of capital construction, and has high expectations for its service life. Therefore, it is required to have different characteristics from general engineering vehicles: multi-function; The appearance is beautiful, and the coating color should not only have the stability of engineering vehicles, but also have the vitality of cars, and should be maintained for a long time. Flexible; It can properly load goods, such as tools, machines and tools, materials, etc. for operation. It can carry operation team members, such as 4-6 people in the power industry and 3-5 people in the street lamp industry, with the function of engineering vehicles and the comfort of cars. Personalized and differentiated needs due to the wide range of uses of aerial work platforms, involving many industries, and the operation contents of each industry are different. According to incomplete statistics, nearly 5000 people die each year only due to the falling of aerial work baskets used in urban construction maintenance in China. This operation mode has basically disappeared in developed countries and is replaced by aerial work platforms. Therefore, aerial work platforms will be widely used in urban building maintenance in the future. The equipment leasing industry in developed countries is the main force in the procurement of aerial work platforms, accounting for about 80% of the total demand, while it is almost zero in China. Users must buy it if they want to use it. With the development of China's engineering equipment leasing industry, users can rent it without investment, which will inevitably lead to a large number of additions in the leasing industry. Therefore, the leasing industry will be the industry with the greatest growth potential in the market demand of aerial work platforms. The impact of macroeconomic development aerial work with aerial work platform is an advanced way of aerial work, and its development is closely related to the development level of the national economy. According to the foreign aerial work machinery professional media magazine access international, the statistics are shown in Table 1. The more developed the economy, the greater the demand, and the greater the demand per unit GDP. From Tables 1 and 2, we can see the gap between the demand of this industry in China and developed countries or regions. Compared with developed countries and regions, China's demand for unit GDP is not only small, but also the proportion of unit GDP demand to GDP is low, which shows that the market demand of aerial work platform is related to both economic scale and economic development, which also shows that aerial work platform has a very broad development prospect in China. To sum up, referring to the situation of developed countries, the actual demand for aerial work platforms in China is very small compared with the demand potential, and China's aerial work platform products will maintain a sustained and rapid development in the next 20-30 years. By 2015, the ownership will increase from about 10000 units in 2008 to at least about 40000 units, and develop at an annual growth rate of about 10% - 20%.