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Aluminum alloy has low density, but its strength is relatively high. It is close to or exceeds high-quality steel with good plasticity. It can be processed into various sections, has excellent corrosion resistance and weighs far less than steel. Semi-trailers are usually made of iron and steel materials. As fuel consumption and related transportation costs increase year by year, how to reduce the weight savings of semi-trailer itself has become more and more a concern for manufacturers and users. Recently, the All-Alluminium semi-trailer launched by the Yongtong Group provided a solution to the problem. 
It is understood that the all-aluminum van type semi-trailer independently developed by the Luantong Group has officially gone offline. More than 90% of its bodywork is made of aluminum alloy. In the trial production workshop, the “big guy†with a length of 14.6 m and a weight of 6.7 t made an impressive appearance. The body, girder, underframe, and wheels were all made of aluminum alloy. The body was exudes a unique silver luster. Full, stylish and beautiful. The all-aluminum semi-trailer uses high-speed rail and aviation-grade aluminum, which is high in strength and light in weight. The aluminum is corrosion-resistant and does not require anti-rust treatment. Its service life is 5 to 10 years longer than steel vehicles; 100% of used vehicles can be used. Recovery, in line with energy-saving emission reduction requirements.
According to reports, all aluminum vehicles can bring direct economic benefits to users. Compared with the similar steel semi-trailer, Suitong All Aluminum semi-trailer has a weight reduction of 3.4 t, which increases the load accordingly. A vehicle carrying more than 3,4 tons of cargo will be calculated at a cost of 0.5 yuan per ton-km and an annual operation of 200,000 km. Each vehicle can increase revenue by 340,000 yuan per year. It also saves about 45,000 liters of oil during the life cycle, reducing 110 tons of CO2 emissions. At present, China’s heavy-duty semi-trailer ownership is approximately 1.1 million. Calculated at 80% of this figure, all lightweight aluminum trucks with a weight reduction of 3.4 tons and annual mileage of 150,000 kilometers will be used to reduce the weight of semi-trailers. 5.31 million tons of oil. According to the use period of 800,000 km, it can save about 28.35 million tons of oil and reduce CO2 emissions by more than 90 million tons.