Group 1 - Harbin Dong'an Automobile Engine Manufacturing Co., Ltd. and Harbin Dong'an Automobile Power Co., Ltd. have applied for a patent for a "cylinder head with a double-layer material valve seat ring" [1] - The patent aims to enhance the wear resistance of the valve seat ring while reducing production costs by using a low-cost iron-based material for the support part [1] - The structure of the valve seat rings includes a support part for valve installation and a working part for valve sealing, both formed as a single unit [1] Group 2 - Harbin Dong'an Automobile Engine Manufacturing Co., Ltd. was established in 1998 with a registered capital of 500 million RMB and has participated in 3,501 bidding projects [2] - Harbin Dong'an Automobile Power Co., Ltd. also established in 1998 has a registered capital of approximately 475.78 million RMB and has invested in 5 companies [2] - The engine manufacturing company holds 858 patents and the power company holds 1,091 patents, indicating a strong focus on innovation and intellectual property [2]

Core Viewpoint - Chery's new model, the Arrizo 8 PRO, is launched with a price range of 103,900 to 119,900 yuan, emphasizing the continuous improvement of internal combustion engine technology while also advancing in new energy and smart technologies [1][3] Group 1: Product Features - The Arrizo 8 PRO features the Kunpeng 1.6TGDI engine and 7DCT transmission, delivering a maximum power of 145 kW and peak torque of 290 N·m, with a 0-100 km/h acceleration time of around 7 seconds and fuel consumption of 6.5 L per 100 km [6] - The vehicle is equipped with a 15.6-inch 2.5K central control screen, Qualcomm Snapdragon 8155 chip, and supports multiple smartphone connectivity options, including HUAWEI HiCar, Carlink, and CarPlay [6] - Safety features include a unique Chery Rock Body design, achieving a high-strength steel ratio of 80%, and a 10-airbag system, along with L2+ level intelligent driving assistance systems [8] Group 2: Market Position and Strategy - Despite the rapid growth of new energy vehicles, internal combustion vehicles like the Arrizo 8 PRO still hold significant advantages in specific scenarios such as long-distance travel, indicating a dual-track market for both fuel and electric vehicles [3][4] - The Arrizo 8 series is projected to achieve cumulative sales of 147,600 units in 2024, reflecting a year-on-year growth of over 28%, positioning it among the top in the A+ class fuel sedan market [10]