China's economic growth slowed down in the first three quarters of 2021In the third quarter of 2021, China's GDP grew by 4.9% year-on-year, and the average growth rate in the two years fell from 5.5% to 4.9%. From the perspective of sub-items, the primary industry is basically flat, the average grow
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According to the data analysis published by the General Administration of Customs compiled by China Association of Automobile Manufacturers, in October 2021,compared with the previous month, the import amount of automobile commodities decreased significantly, and the export amount increased slightly
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With the increase in vehicle ownership, the demand for vehicle spare parts is also increasing. As decorative parts and safety parts, people is becoming more and more picky about the choice of wheels. A variety of differentiated and personalized wheels are becoming more and more popular, resulting in
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A brake drum is the core component of vehicle braking system. Its function is to generate braking force and hinder vehicle movement or movement trend. A brake drum is a matching part of internal tension shoe friction brakes.
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According to the data released by the China National Bureau of Statistics compiled by the China Association of Automobile Manufacturers, from January to October 2021, the fixed asset investment in China's automobile manufacturing industry continued its downward trend year-on-year, and the rate of de
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A trailer axle is a device that supports all or part of the vertical load of the trailer while moving (wheel rotation) and bears various external forces in other directions to ensure the normal driving of the trailer. As shown in Figure 1 below.
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According to the statistical analysis of China Automobile Industry Association, in October 2021, automobile production and sales continued to grow month-on-month, and the year-on-year decline was narrower than that of the previous month. The chip supply this month was slightly alleviated compared wi
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A Landing gear is usually installed in the front of a semi-trailer, which consists of the left and right leg. Its function is to support the front end of a semi-trailer after the semi-trailer is disconnected from the tractor. As shown in Figure 1 below. 图1 支腿安装位置Figure 1. Installation position of la
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According to the export data of the General Administration of Customs compiled by the China Association of Automobile Manufacturers, from January to September 2021, the export value of auto parts was 61.51 billion US dollars, a year-on-year increase of 41.8%. Among the main export varieties of auto
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A fifth wheel/5th wheel is installed on a tractor, and is connected and disconnected from a semi-trailer through a semi-trailer king pin and a skid plate, and transmits horizontal and vertical forces at the same time. The fifth wheel plays the role of pulling the semi-trailer and bearing the load of
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According to the data analysis published by the General Administration of Customs compiled by the China Association of Automobile Manufacturers, China's total import and export of auto goods exceeded US$150 billion in the first three quarters of 2021, continuing to maintain rapid growth year-on-year
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As a sub-industry of the automobile industry, trucks and buses serve a wide range of industries such as passenger transportation, road transportation, engineering construction, energy, mining, forestry and construction, as well as national defense. They play a very important position and role in the
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A king pin is installed on a semi-trailer and cooperates with a fifth wheel on a tractor to realize hooking up and dropping the semi-trailer and the tractor, as shown in Figure 1 below.
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According to data from the General Administration of Customs compiled by the China Association of Automobile Manufacturers(CAAM), since 2021, China's exports to countries along the "Belt and Road" have shown rapid growth, and the growth of complete vehicle exports has been even more significant. Fr
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According to the statistical analysis of the China Association of Automobile Manufacturers, in September 2021, while the China energy consumption was dually controlled, due to the shortage of coal supply and the inversion of coal and electricity prices, the large-scale implementation of orderly elec
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A landing gear is an indispensable part of the semi-trailer. It is usually installed in the front of the semi-trailer, which consists of the left and right leg. Its function is to support the front end of the semi-trailer after the semi-trailer is separated from the tractor. As shown in Figure 1 bel
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According to the statistical analysis of the China Association of Automobile Manufacturers, in August 2021, the new energy vehicle market continued to outperform the market, with the production and sales continuing to grow month-on-month and year-on-year, with production and sales exceeding 300,000
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Semi-trailer suspension is an important part connecting the traveling device and the frame of the semi-trailer. The supporting force, braking force, and driving force of the vehicle are all transmitted through the suspension system. And the suspension can also reduce the impact of harsh roads on the
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According to foreign media reports, on September 24, the consulting firm Alixpartners said that due to supply chain problems, global automakers may lose 7.7 million vehicles output in 2021, and annual revenue losses may be as high as 210 billion USdollars, which is almost twice as expected earlier t
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A semi trailer is one of the main transportation equipment for cargo transportation in the world. The semi-trailer axle is the core component of a semi-trailer. Semi trailers in different countries and regions are equipped with different styles of axles.The semi-trailer axle is mainly composed of fo
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