Group 1 - The company, Kunshan Longteng Optoelectronics Co., Ltd., has applied for a patent titled "Testing Device and Method for Array Substrate," with publication number CN120489522A, filed on May 2025 [1] - The patent describes a testing device for array substrates that includes multiple sub-pixels and a lighting circuit, where each sub-pixel consists of a pixel electrode and a thin-film transistor [1] - The testing device comprises a control module and a connection module, which connects to the lighting circuit's input terminals and the pixel electrodes of the thin-film transistors to output test voltages and detect currents [1] Group 2 - Kunshan Longteng Optoelectronics Co., Ltd. was established in 2005 and is located in Suzhou, primarily engaged in the manufacturing of computers, communications, and other electronic devices [2] - The company has a registered capital of 333,333.34 million RMB and has made investments in 2 enterprises, participated in 183 bidding projects, and holds 3975 patent records [2] - Additionally, the company possesses 20 administrative licenses and has 17 trademark records [2]

Group 1 - Guangdong Changying Precision Technology Co., Ltd. and Dongguan Xihe Precision Technology Co., Ltd. applied for a patent titled "Electronic Device Shell and Its Manufacturing Method" with publication number CN120362895A, filed on April 2025 [1] - The patent describes a manufacturing method that includes creating a magnesium alloy frame and an aluminum alloy middle plate, which are joined through brazing in a vacuum environment to form a magnesium/aluminum composite [1] - The method enhances the bonding strength between the magnesium alloy frame and aluminum alloy middle plate, addressing the challenge of connecting dissimilar metals [1] Group 2 - Guangdong Changying Precision Technology Co., Ltd. was established in 2010, located in Dongguan, primarily engaged in the manufacturing of computers, communications, and other electronic devices, with a registered capital of 600 million RMB [1] - The company has invested in 5 enterprises, participated in 38 bidding projects, holds 1,114 patent records, and possesses 225 administrative licenses [1] - Dongguan Xihe Precision Technology Co., Ltd. was founded in 2020, also located in Dongguan, focusing on similar manufacturing activities, with a registered capital of 30 million RMB [2] - The company has participated in 7 bidding projects, holds 69 patent records, and has 13 administrative licenses [2]