Group 1 - The core viewpoint of the news is that Guangdong Midea Refrigeration Equipment Co., Ltd. and Midea Group Co., Ltd. have applied for a patent for a modular air duct machine, which allows for easier installation and reduced costs [1] - The patent application includes a design that features detachable blower and suction modules, which can be easily installed by a single person, thus lowering installation costs [1] - The air duct machine's design utilizes a sliding mechanism that allows the modules to be mounted on a rail fixed to the ceiling, facilitating flexible positioning during installation [1] Group 2 - Guangdong Midea Refrigeration Equipment Co., Ltd. was established in 2004, located in Foshan, with a registered capital of 85.4 million RMB, and has participated in 5,000 bidding projects [2] - Midea Group Co., Ltd. was founded in 2000, also located in Foshan, with a registered capital of approximately 765.57 million RMB, and has invested in 127 companies [2] - Both companies have significant intellectual property assets, with each holding around 5,000 patent records and 3,332 trademark records for Guangdong Midea Refrigeration Equipment Co., Ltd. [2]