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The special car industry in China is a relatively unique existence. Judging from the total amount, the current ownership of the special-purpose vehicle market in China is more than 8 million, accounting for almost 40% of the total number of trucks. From the perspective of subdivision areas, there are many types of special vehicles, including sanitation vehicles, construction vehicles, fire engines, and logistics transport vehicles. There are many subcategories of these categories, and only up to ten types of sanitation vehicles. It is because special vehicles have the characteristics of large total volume and small batch size that make them have the advantages and disadvantages of customized chassis at the same time.
Customize the advantages and disadvantages of the chassis 
With a wide range of products and small batches of special-purpose vehicles, mass production is difficult, and the cost of the entire vehicle will increase relatively. At the same time, due to the longer cycle for chassis manufacturers to develop custom chassis, it will affect the production and sales progress of special vehicle companies. It is precisely because of the defects of the custom chassis for special vehicles that the custom chassis has not become the mainstream trend in the special-purpose vehicle industry so far.
Although the disadvantages of special chassis chassis customization are very prominent, custom chassis are already quite common in some developed countries in Europe and America. This is mainly determined by their advantages. Special chassis customization can reduce the refitting workload of the conversion plant, and at the same time, it can better realize the overall function of the special vehicle. In addition, because some unnecessary configurations can be eliminated when customizing the chassis, the cost of the conversion plant can be reduced to some extent.
Custom chassis is different 
Because of its outstanding advantages, the custom chassis has become a trend in European and American countries. Can this trend become a trend in the special car industry in China? Let's take a look at the reasons for the popularity of custom chassis in Europe and America.
In Europe and the United States, the special purpose vehicle chassis generally adopts customized production. The main reason is that on the one hand European and American special-purpose vehicles enterprises generally only perform one or two products at a time, the product has a high degree of focus, and the price is high. These enterprises have the ability to Undertake the cost of the modified chassis, the US garbage truck king HEIL Group, their ordinary garbage can be sold for more than 400,000 US dollars, equivalent to more than 270 million yuan, such a high price, how can the HEIL Group can not accept the custom chassis On the other hand, the special car users in Europe and the United States have high requirements on the quality of the products, and they are pursuing simple and reliable. This is only a custom chassis to meet their needs.
A review of these two points is not available in China at present. China's special-purpose vehicles are mainly based on the low-end segment. The profit of special-purpose vehicle manufacturers is rather weak, and they cannot afford the customized chassis with overpriced prices; at the same time, China's special-purpose vehicle users are now It is still at an acceptable level and has not yet reached the level of needs of European and American users.
Custom chassis "Chinese"
Since the special car custom chassis cannot follow the European and American roads, it can only take the path of “Chinese characteristicsâ€. 
As a special-purpose vehicle company, it is necessary to perform cost calculation before the demand for chassis customization is proposed, and to provide customized requirements for special-purpose vehicle products that have a large market demand and can not fully apply the general chassis. Sany Heavy Industry had realized customizing the chassis of the mixer truck long ago. One of the important reasons is that SANY is an important mixer truck manufacturer in China. The number of mixer trucks produced and sold each year is considerable, so it has the ability. Bear the cost increase from customizing the chassis. 
From the chassis manufacturer's point of view, the realization of chassis customization for the special-purpose vehicle industry needs to start from two aspects. On the one hand, if the mainstream chassis manufacturers cannot customize the chassis for certain sub-categories, they may consider starting with sanitation trucks, construction vehicles, fire engines, and other major categories, specifically targeting several or even more than a dozen of these categories. Chassis customization of products, such as compact garbage trucks and sweeping vehicles in the category of sanitation trucks, and refrigerated trucks in the category of logistics transport vehicles, have a large market demand. Chassis manufacturers can develop custom chassis for these types of products, and the chassis can be directly Named as the compact garbage truck chassis, sweeper chassis and refrigerated truck chassis, it is distinguished from other chassis.
On the other hand, if it is to be customized for a special chassis, then the chassis manufacturers will need to conduct in-depth research, not only include cost research, but also consider whether it can be transformed on the basis of the existing common chassis, do a good job of "addition and subtraction" Really achieve the rough to take fine, the weight-loss, weight gain of the fat. At present, China's mixer trucks basically use a custom chassis, and there are also manufacturers that specialize in the production of custom chassis for mixer trucks, such as Valin.
In general, as the demand for products from China's special-purpose vehicle users increases, the custom chassis will become a trend in the special-purpose vehicle industry. This is both a challenge and an opportunity for the special car industry and chassis manufacturers. 