Introduction: Illinois Electronics (Hong Kong) Limited is the world's largest manufacturer of aluminum electrolytic capacitors, metalized film capacitors, and power film capacitors, as well as various types of supercapacitors (EDLC or supercapacitors). Through close communication with customers and suppliers, we have always provided customers with high-quality products that meet their needs. Our product applications include various electronic devices and systems, as well as traditional power and lighting facilities. Among them, circuit applications such as bypass, coupling, DC connection, and pulse circuits are the most popular, while markets such as wireless communication, electronic power technology, energy management, IGBT, and solar and wind power generation are also growing rapidly; In addition, as engineers gradually recognize the application of supercapacitors in portable power facilities, the market for supercapacitors has grown rapidly in recent years. To meet the quality requirements of the industry, we are committed to producing high-quality capacitors with different standards and applications.