滤清器用于滤除发动机机油、燃油、空气中的机械杂质，保护发动机曲轴连杆运动、喷油系统精密偶合件、缸套活塞环等免受异常磨损，使发动机经济性的重要部件为正常性能指标、动力指标、可靠性指标和排放指标。

自2001年中国加入世贸组织以来，已进入第十个年头。中国汽车工业在这十年间取得了快速发展。而与整车发展密不可分的汽车滤清器行业也发展迅速。水上升。我国出口汽车滤清器5877.5万只，比2010年增长13.57%，涉案金额1.27亿美元，比2010年增长41.26%。

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市场竞争激烈，企业转战配套市场

Since joining the WTO, the rapid development of China’s automobile industry has stimulated the rapid development of the filter industry. It is estimated that in 2020, the total demand for my country’s automotive filter market will increase to 1.16 billion sets. With the gradual expansion of the number and scale of production enterprises. The level of filter technology is constantly improving. Filters that meet the latest emission standards have been successfully developed and mass-produced. The huge filter market has attracted the attention of many manufacturers, and domestic and foreign companies have joined the competition. The increasingly fierce market, especially in the after-sales market, is becoming more intense.

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据前瞻生产网分析，主要原因如下：一是过滤器属于易损件，需要定期更换。因此，售后市场的销量非常大。其次，我国汽车滤清器行业生产厂家众多，且规模较小，品牌集中度很低，滤清器售后市场竞争尤为激烈。

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造成过滤器短缺的原因有很多。从宏观上看，固定资产投资的持续增长带动了工程机械行业的快速发展，而内需的扩大为大型工程过滤器的市场发展提供了直接的途径。

The filter protects the engine by filtering the air, oil and fuel entering the engine, and at the same time improves the working efficiency of the engine. It is an essential part of the car engine. In view of the car filter, the direct matching relationship between the filter and the entire vehicle (or engine). With the rapid development of the automobile industry in my country, the rapid increase in the number of vehicles has provided a broad market space for my country’s automotive filters.