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1.1 Industry competition patternThe competitive pattern of the film capacitor industry is relatively stable, and the main manufacturers are Anhui Tongfeng Electronics, Xiamen Fara Electronics, Nantong Jianghai Capacitor Company and Aerospace Rainbow UAV Co., LTD. Among them, Anhui Tongfeng Electronics and Xiamen Fara Electronics are the two largest film capacitor manufacturers in China, accounting for more than 70% of the domestic market. Here's a quick rundown of the four companies:Anhui Tongfeng Electronics: Founded in 1992, is one of the largest film capacitor manufacturers in China, the main products include polypropylene film capacitor, polyester film capacitor, metallized polypropylene film and so on. The company has independent research and development of PPS (polyphenylene sulfide) film technology, is the only domestic PPS film capacitor production enterprises. The company has a high market share and customer recognition in the fields of new energy vehicles, wind power generation, photovoltaic power generation.Xiamen Fara Electronics: Founded in 1997, is one of the largest film capacitor manufacturers in China, the main products include polypropylene film capacitor, polyester film capacitor, metallized polypropylene film and so on. The company has independent research and development of PEN(polyethylene glycol naphthalene diformate) film technology, is the only domestic enterprise capable of mass production of PEN film capacitor. The company has a high market share and customer recognition in the fields of new energy vehicles, wind power generation, photovoltaic power generation.Nantong Jianghai Capacitor Company: Founded in 1998, is one of the largest metallized polypropylene film manufacturers in China, the main products include metallized polypropylene film, metallized polypropylene self-healing AC/DC filter capacitors, metallized polypropylene self-healing AC/DC support capacitors, etc. The company has a certain market share and customer recognition in the fields of new energy vehicles, wind power generation, photovoltaic power generation.Aerospace Rainbow UAV Co., LTD. : Founded in 2007, it is one of the largest metallized polypropylene film manufacturers in China. The main products include metallized polypropylene film, metallized polypropylene self-healing AC/DC filter capacitor, metallized polypropylene self-healing AC/DC support capacitor, etc. The company has a certain market share and customer recognition in the fields of new energy vehicles, wind power generation, photovoltaic power generation.

1.2Industry development trendThe development trend of the film capacitor industry mainly has the following aspects:High performance: With the continuous improvement of performance requirements for thin film capacitors in new energy vehicles, wind power, photovoltaic and other fields, the high performance of thin film capacitors has become an important development direction of the industry. High performance is mainly reflected in high pressure resistance, low ESR, good temperature characteristics, long life and so on. In order to improve the performance of thin film capacitors, it is necessary to optimize the design structure, improve the manufacturing process, and develop new materials.Miniaturization: With the increasing volume requirements for thin film capacitors in new energy vehicles, wind power, photovoltaic and other fields, the miniaturization of thin film capacitors has become an important development direction of the industry. Miniaturization is mainly reflected in the aspects of small size, light weight and large capacity. In order to achieve the miniaturization of thin film capacitors, it is necessary to continuously improve the dielectric constant of dielectric materials, reduce the thickness of metallization layer, and narrow the lead spacing.Intelligence: With the continuous improvement of intelligent requirements for thin film capacitors in new energy vehicles, wind power, photovoltaic and other fields, the intelligence of thin film capacitors has become an important development direction of the industry. Intelligence is mainly reflected in self-diagnosis, self-repair, self-adaptation and other functions, which can monitor and adjust the working state of the capacitor in real time, and improve the stability and reliability of the system. In order to realize the intellectualization of thin film capacitors, sensors, controllers, communication modules and so on need to be integrated continuously.