Group 1 - The core viewpoint of the news is that China Chemical Engineering No. 13 Construction Co., Ltd. has applied for a patent for a sliding mold method for multi-station cylindrical structures, which significantly shortens the overall construction period compared to traditional methods [1] - The patent application was filed on June 2025, and the public announcement number is CN120486716A [1] - The method involves installing multiple sub-sliding molds at corresponding construction locations and synchronously lifting them using a hydraulic control system, making it suitable for large-scale cylindrical structure construction [1] Group 2 - China Chemical Engineering No. 13 Construction Co., Ltd. was established in 2008 and is located in Cangzhou, primarily engaged in building decoration and other construction activities [2] - The company has a registered capital of approximately 1.275 billion RMB [2] - It has made investments in 37 enterprises, participated in 5,000 bidding projects, and holds 215 patents along with 245 administrative licenses [2]

Group 1 - The State Intellectual Property Office of China has granted a patent for "scaffolding for construction" to Tongling Nonferrous Metals Group Tongguan Construction Installation Co., Ltd. and Tongling Nonferrous Metals Group Holdings Co., Ltd. The patent number is CN223151636U, with an application date of September 2024 [1] - The patent describes a scaffolding system that includes a main body and two first connection seats, which are symmetrically positioned on either side of the main body. The system features a protective sleeve that can be controlled for movement, allowing for easy material retrieval during construction [1] - The design includes a safety component that ensures the protective sleeve and rod remain aligned, providing safety for construction workers while facilitating material handling [1] Group 2 - Tongling Nonferrous Metals Group Tongguan Construction Installation Co., Ltd. was established in 2007, located in Tongling City, with a registered capital of 200.2 million RMB. The company has invested in 8 enterprises and participated in 2,241 bidding projects, holding 148 patents and 57 administrative licenses [2] - Tongling Nonferrous Metals Group Holdings Co., Ltd. was founded in 1981, also located in Tongling City, with a registered capital of 3,702.0339 million RMB. The company has invested in 74 enterprises, participated in 5,000 bidding projects, and holds 51 trademark registrations and 13 patents, along with 28 administrative licenses [2]