Group 1 - The core point of the article is the patent application by Suining Duoli Technology Co., Ltd. for a device named "Automobile Cover Punching Machine," which was published under CN 120551264 A and applied for on April 2025 [1] - The patent involves a technology related to automobile cover punching, featuring a main support structure with a pressure mechanism that interacts with a punching component and a fixed intermittent rotation device [1] - The pressure mechanism applies pressure to the punching component and facilitates a 180-degree intermittent rotation, allowing for the exchange of positions between the punching component and a grinding mechanism, ensuring precision in the grinding process [1] Group 2 - Suining Duoli Technology Co., Ltd. was established in 2019 and is located in Suining City, primarily engaged in technology promotion and application services [1] - The company has a registered capital of 15 million RMB and has participated in four bidding projects, holds six patent records, and possesses seven administrative licenses according to Tianyancha data [1]