Status Quo of the Filter Manufacturing Industry in 2023
Published Time:
2025-04-23
A filter refers to an accessory that filters impurities or gases through filter paper or other materials. It generally refers to automotive filters, which are engine components. According to different filtration functions, they are divided into: oil filters, fuel filters (gasoline filters, diesel filters, oil-water separators, hydraulic filters), air filters, air conditioning filters, etc. Engines have three types of filters: air, oil, and fuel filters, commonly known as 'three filters'. With the addition of an air conditioning filter, they are colloquially called 'four filters'.
1. Industry Overview
A filter is an attachment that filters impurities or gases through filter paper or other materials. Generally referring to automotive filters, they are engine components. According to different filtering functions, they are divided into: oil filters, fuel filters (gasoline filters, diesel filters, oil-water separators, hydraulic filters), air filters, and air conditioning filters, etc. Engines have three types of filters: air, oil, and fuel filters, generally called "three filters," plus an air conditioning filter, commonly known as four filters.
China's filter industry has maintained a relatively fast growth rate. In 2020, affected by the COVID-19 pandemic, the industry's growth rate slowed down. In 2021, the total industrial output value of China's filter industry was approximately 32 billion yuan, a year-on-year increase of 15%; sales revenue was 31.5 billion yuan, a year-on-year increase of 16%. In 2022, the total industrial output value of China's filter industry will reach 37 billion yuan, a year-on-year increase of 15.6%; sales revenue will be 36.5 billion yuan, a year-on-year increase of 15.9%.
2. Industry Characteristics
(1) Unreasonable Product Structure
Currently, the product structure of China's filter manufacturing industry has some irrationality. On the one hand, the types of products are not comprehensive enough, and some high-end products still rely on imports, such as diesel engine common rail system filters and automotive air conditioning filters. On the other hand, product quality is not stable enough, and some products have quality defects, such as filter paper breakage, poor sealing performance, and low filtration efficiency. These problems affect the market competitiveness and development potential of China's filter manufacturing industry.
(2) Continuously Improving Technological Level
In recent years, with the continuous development of China's filter manufacturing industry, the technological level has also greatly improved. On the one hand, it involves introducing and digesting advanced foreign technologies, such as using new filter paper materials, improving filter structural design, and improving filter performance parameters. On the other hand, it involves increasing the intensity of independent innovation, such as developing new filter products, applying for patent technologies, and participating in the formulation of industry standards. These measures are conducive to improving the technological level and core competitiveness of China's filter manufacturing industry.
(3) Increasingly High Environmental Requirements
With the development of China's economy and society and the improvement of people's living standards, environmental awareness is becoming stronger. As an important component of the engine, the filter directly affects the engine's emission performance and fuel economy. Therefore, the filter manufacturing industry is also facing increasingly high environmental requirements, such as reducing filter pressure drop, improving filter efficiency, extending filter life, and reducing filter waste. These requirements put forward higher technical and management levels for the filter manufacturing industry.
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