Group 1 - Kone Technology Co., Ltd. has applied for a patent titled "Magnetic Circuit Structure and Speaker," with publication number CN120499570A, and the application date is June 2025 [1] - The patent describes a magnetic circuit structure that includes components such as a column iron, short-circuit ring, main magnet, and washer assembly, indicating advancements in magnetic circuit technology [1] - The structure features interconnected first and second grooves, with specific dimensions for the short-circuit ring and main magnet, suggesting a novel design aimed at improving speaker performance [1] Group 2 - Kone Technology Co., Ltd. was established in 2000 and is located in Huizhou, primarily engaged in the manufacturing of computers, communications, and other electronic devices [2] - The company has a registered capital of 367.19 million RMB and has made investments in 10 enterprises, participated in 16 bidding projects, and holds 1544 patent records [2] - Additionally, Kone Technology has 20 trademark records and 144 administrative licenses, indicating a robust presence in the industry [2]