Group 1 - Shenzhen Longli Technology Co., Ltd. has obtained a patent for a "middle iron frame and its assembly structure," with the authorization announcement number CN223180514U, applied on August 2024 [1] - The patent describes a utility model that includes a middle iron frame body with outwardly protruding inclined ears, allowing for detachable connection with die-cast parts, simplifying processing and reducing costs while ensuring stable connections [1] - The company was established in 2007 and is primarily engaged in the manufacturing of instruments and meters, with a registered capital of 2,252.43456 million RMB [1] Group 2 - Shenzhen Longli Technology has invested in 10 companies and participated in 7 bidding projects, holding 17 trademark records and 424 patent records, along with 49 administrative licenses [1]