Group 1 - Guangdong Midea Refrigeration Equipment Co., Ltd. and Midea Group Co., Ltd. have applied for a patent titled "Air Guide Ring, Fan and Air Conditioner" with publication number CN119983404A, filed on March 2025 [1] - The patent describes a technology in the fan field, featuring an air guide ring that includes a main body with an inlet and outlet connected to the air duct, designed to enhance airflow efficiency and reduce energy loss and noise [1] - The air guide ring's design increases the inlet flow area and improves the uniformity of air intake, thereby mitigating turbulence effects and achieving energy-saving and noise-reduction outcomes [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 invested in 5 companies and participated in 5000 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, having invested in 118 companies and participated in 4029 bidding projects [2] - Both companies have significant intellectual property assets, with Guangdong Midea holding 5000 patent records and Midea Group also holding 5000 patents, alongside numerous trademark registrations and administrative licenses [2]