Group 1 - The core point of the article is that Shanghai New Power Automotive Technology Co., Ltd. has obtained a patent for a device related to engine exhaust gas sampling, which aims to improve environmental cleanliness and reduce costs [1][2]. Group 2 - The patent, titled "A Pre-filtering and Heating Device for Engine Exhaust Gas Sampling," includes components such as a base, upper seat, central rod, and an inner cylindrical wrapping barrel, designed to filter out impurities and solid carbon particles [2]. - The device features an electric heating belt wrapped around the outer wall of the inner cylindrical barrel, which connects to an external heating device, enhancing its efficiency [2]. - Shanghai New Power Automotive Technology Co., Ltd. was established in 1993, is based in Shanghai, and primarily engages in the automotive manufacturing industry, with a registered capital of approximately 1.39 billion RMB [2]. - The company has invested in 31 enterprises, participated in 311 bidding projects, and holds 431 patents along with 68 trademark registrations [2].