Group 1 - The core viewpoint of the news is that China State Construction Engineering Second Bureau Co., Ltd. has obtained a patent for a device that can straighten scaffolding steel pipes of different diameters, addressing a limitation in existing technology that only accommodates a single diameter [1] Group 2 - China State Construction Engineering Second Bureau Co., Ltd. was established in 1980 and is based in Beijing, primarily engaged in the housing construction industry [2] - The company has a registered capital of 1 billion RMB and has made investments in 147 enterprises [2] - The company has participated in 5,000 bidding projects and holds 5,000 patent records, along with 4,122 administrative licenses [2]