China's automobile industry continued to show strong growth in the first seven months of this year, according to data released by the China Association of Automobile Manufacturers on August 9. Total production reached 4.133 million units, while sales hit 40.061 million, marking year-on-year increases of 26.77% and 24.29%, respectively. Passenger cars led the growth, with both production and sales rising by over 30%, and some segments even seeing more than 40% growth.
In the same period, passenger car production totaled 2.9698 million units, up 36.20% from the previous year, while sales reached 2.848 million, an increase of 32.14%. Commercial vehicle production and sales stood at 1.1657 million and 1.1581 million units, reflecting growth of 7.76% and 8.43% year-on-year.
July saw a sharper decline compared to June due to the traditional off-season. Production fell to 498,700 units, down 12.99% from June but still up 12.09% compared to July 2022. Sales dropped to 467,100 units, a 16.12% decrease from June, yet remained 7.83% higher than the same month last year.
The top ten automakers, accounting for 83.49% of total sales, sold a combined 3.3447 million vehicles in July. The list included SAIC, FAW, Dongfeng, Changan, BAIC, Chery, Hafei, Guangzhou Automobile, Geely, and Brilliance. This performance highlights the resilience and momentum of China’s auto market despite seasonal fluctuations.
As the industry continues to expand, analysts are closely watching how these trends will evolve in the coming months, especially with new models and policies expected to further drive demand.
Tongue And Groove Face Flanges
The Tongue and Groove faces of this flanges must be matched. One flange face has a raised ring (Tongue) machined onto the flange face while the mating flange has a matching depression (Groove) machined into it's face.
Tongue-and-groove facings are standardized in both large and small types. They differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend into the flange base, thus retaining the gasket on its inner and outer diameter. These are commonly found on pump covers and Valve Bonnets.
Tongue-and-groove joints also have an advantage in that they are self-aligning and act as a reservoir for the adhesive. The scarf joint keeps the axis of loading in line with the joint and does not require a major machining operation.
General flange faces such as the RTJ, TandG and the FandM shall never be bolted together. The reason for this is that the contact surfaces do not match and there is no gasket that has one type on one side and another type on the other side.
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