Due to the global financial crisis, the commercial vehicle market experienced significant challenges. The implementation of the National III emission standard in July 2008 further impacted the industry, particularly the engine sector, leading to a downturn in demand. According to data from the China Association of Automobile Manufacturers, the growth rates for 2007 and 2008 were 12.56% and 11.10%, respectively. However, by mid-2008, both sales and production had risen above 20%, showing some recovery. When analyzed by fuel type, diesel engines saw a year-on-year increase of 13.93%, while gasoline engines recorded 16.30%. Although diesel engines still led in production, their growth rate began to lag behind that of gasoline engines.
In the first ten months of 2008, cumulative production and sales of gasoline engines reached 403,000 and 360,900 units, respectively. By December, due to annual performance targets, increased investment, and government stimulus policies, the market showed signs of improvement. In 2008, commercial vehicle sales grew by 2.4% compared to 2007, with diesel engines producing 2.11 million units and selling 2.1 million units. Gasoline engines had cumulative production and sales of 450,000 and 440,000 units, respectively. Based on a 1:0.6 ratio between main engines and maintenance parts, piston production and sales for commercial vehicle engines reached approximately 9.216 million and 9.18 million units.
In 2009, despite global economic downturns and domestic auto industry struggles, there were opportunities within the crisis. The Chinese government aimed to stimulate domestic demand and boost investment, creating new development prospects. The Politburo Standing Committee emphasized maintaining stable and rapid economic growth, focusing on expanding domestic demand, structural adjustments, and transitioning to a more sustainable development model. To achieve this, the government planned to implement proactive fiscal policies, moderately loose monetary measures, and tax reductions to support people's livelihoods and drive consumption, especially in rural areas.
With these efforts, commercial vehicle manufacturers and related suppliers, including engine and piston companies, found themselves in a favorable position. Analysts estimated that for every 10 billion yuan in fixed asset investment, truck demand would rise by 15,000 units. By 2010, with a total investment of 4 trillion yuan, truck demand was expected to reach 6 million units. Thus, it was conservatively estimated that in 2009, the commercial vehicle market would exceed 3 million units, marking a 17% year-on-year increase.
The commercial vehicle engine market also saw a projected 17% growth, reaching 2,995,200 units in production and 2,985,500 units in sales. Diesel engines accounted for the majority, with 2,468,700 units produced and 2,457,000 units sold, while gasoline engines totaled around 526,500 units. Huicong Deng’s research highlighted that 2009 would bring intense competition in the domestic market, offering both opportunities and challenges for commercial vehicle engine and piston manufacturers. Companies needed to closely monitor market trends, invest in innovation, and accelerate product upgrades to seize new opportunities and adapt to evolving conditions.
Marble Pattern Steel
Marble pattern steel, also known as marbled steel, refers to a type of steel that has a distinct pattern resembling the natural veins and swirls found in marble stone. This effect is achieved through various metalworking techniques, such as pattern welding, acid etching, and surface manipulation. Below are some common techniques used to create marble pattern steel:
1. **Pattern Welding**: This technique involves layering and forge welding multiple sheets of steel together. The layers are then folded, twisted, and hammered repeatedly to create intricate patterns. The final product is a strong yet visually appealing steel with a marbled appearance.
2. **Acid Etching**: Acid etching is a process in which a chemical solution is applied to the steel's surface to selectively remove material and create a pattern. The steel is typically coated with a protective layer, such as wax or masking tape, and the desired pattern is then drawn or marked onto the surface. The acid solution is applied and reacts with the exposed metal, creating the marbled pattern as it dissolves the steel in a controlled manner.
3. **Surface Manipulation**: In this technique, the steel's surface is physically altered to create the appearance of a marbled pattern. This can be achieved through methods such as engraving, hammering, or grinding. Once the desired pattern is created, the steel can be further enhanced by applying patina or other surface treatments to accentuate the pattern's appearance.
Marble pattern steel is often used for decorative purposes, such as in the creation of custom knives, swords, and other metalwork items. It is also popular in the field of architecture and interior design, where it can be used as a unique and eye-catching material for various applications.
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Wuxi Shengshu Metal Co., Ltd. , https://www.wuxissmetal.com