Group 1 - Haier U+ Smart Technology (Beijing) Co., Ltd., Qingdao Haier Technology Co., Ltd., and Haier Smart Home Co., Ltd. have obtained a patent titled "A Method, Device, and Medium for Network Access," with authorization announcement number CN115766784B, applied for on November 2022 [1] - Haier U+ Smart Technology (Beijing) Co., Ltd. was established in 2015, located in Beijing, with a registered capital of 143 million RMB. The company has participated in 16 bidding projects and holds 2 administrative licenses, along with 2151 patent records [1] - Qingdao Haier Technology Co., Ltd. was founded in 2000, located in Qingdao, with a registered capital of 80 million RMB. The company has participated in 75 bidding projects, holds 7 administrative licenses, and has 3980 patent records [1] Group 2 - Haier Smart Home Co., Ltd. was established in 1994, located in Qingdao, with a registered capital of approximately 943.81 million RMB. The company has invested in 60 enterprises, participated in 1767 bidding projects, holds 10 administrative licenses, and has 5000 patent records [2]