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In July 2012, semi-trailer tractors produced 10,741 vehicles, with a cumulative production of 115,405 vehicles and sales of 10,989 vehicles, with a total sales of 118,821 vehicles.
In July, the production and sales volume of quasi-trailer trailers with a total mass of ≤ 25 tons was 130 vehicles and 128 vehicles, respectively, and the cumulative growth of production and sales volume was -67.37% and -63.79% respectively.
In July, the total mass of quasi-trailer trailers ≤ 25 tons Sales table unit: vehicle, %
The production and sales volume of 25 tons of quasi-trailer trailers with a total mass of ≤ 40 tons were 8,856 vehicles and 9,096 vehicles, respectively, and the cumulative output and sales volume were respectively -17.54% and -22.39% over the previous year;
In July, 25 tons of quasi-trailer trailers, and the total mass of quasi trailers ≤ 40 tons. Sales table Unit: Vehicle, % 
The production and sales volume of 40 tons of total trailers was 1,755 units and 1,765 units, respectively, and the cumulative production and sales volume increased by -26.58% and -16.87% year-on-year respectively.
In July, 40 tons of quasi-trailer trailers (total mass sales of quasi-trailer units): Vehicles, % 