Group 1 - The State Intellectual Property Office of China has granted a patent for an adjustable curtain wall connection component to China State Construction Fourth Engineering Bureau Co., Ltd. and China State Construction Fourth Engineering Development Co., Ltd. The patent number is CN222990983U, with an application date of August 2024 [1] - The patent describes a technology in the field of curtain wall connection components, which includes a support column, a pipeline, and an adjustment device. The design allows for the adjustment of the connection component's position to meet different requirements, enhancing stability compared to traditional modular structures [1] Group 2 - China State Construction Fourth Engineering Bureau Co., Ltd. was established in 1991 and is based in Guangzhou, primarily engaged in the construction industry. The company has a registered capital of 800 million RMB and has invested in 107 enterprises, participated in 5,000 bidding projects, and holds 4,459 patents [2] - China State Construction Fourth Engineering Development Co., Ltd. was founded in 2010 and is located in Xiamen, also focusing on the construction industry. The company has a registered capital of 50 million RMB, invested in 5 enterprises, participated in 2,706 bidding projects, and holds 615 patents [2]