Group 1 - The State Intellectual Property Office of China granted a patent to Changjiang Jinggong (Tianjin) Construction Technology Co., Ltd. for a "Steel Structure Parapet Cap Support Structure" with the authorization announcement number CN223177020U, applied on October 2024 [1] - The patent describes a new design that enhances the strength of the cap plate by adding multiple supporting steel plates at the bottom, preventing collapse under external impacts such as hail while maintaining aesthetics and drainage [1] - The design includes protective components that block multiple self-tapping screw positions, reducing contact with rainwater to prevent rust and corrosion, which could lead to loosening of the cap plate [1] Group 2 - Changjiang Jinggong (Tianjin) Construction Technology Co., Ltd. was established in 2023 and is located in Tianjin, primarily engaged in building decoration, renovation, and other construction activities [2] - The company has a registered capital of 30 million RMB and holds one patent along with 23 administrative licenses according to data analysis from Tianyancha [2]