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]

持续精进内燃机技术，奇瑞艾瑞泽8 PRO限时10.39 万元起售 中国经济网北京3月24日讯(记者 陈梦宇)日前，奇瑞艾瑞泽8 PRO正式上市，新车共推出4款配置车 型，限时红包价10.39万—11.99万元。奇瑞汽车股份有限公司常务副总裁张国忠表示："在发展新能源、 智能化等新技术的同时，奇瑞始终持续进化迭代内燃机技术，推进燃油车高端化的革新。希望通过增加 科技创新的宽度、厚度和密度，让全球用户共享技术普惠的最新果实。" 奇瑞在新能源"不客气"的同时，仍持续精进内燃机技术，虽然当前新能源汽车渗透率快速增长，但 在长途等特定场景下燃油车仍有很大优势。不少业内专家认为，在较长时间内，汽车市场可能呈现双轨 并行，新能源车与燃油车将在不同领域竞争共存。 不过，随着环保法规的实施和新能源技术的持续发展，燃油车为了维持其在市场的竞争力，势必要 进行革新和改良，如采取更加环保节能的设计，或与新能源技术融合，以适应日益变化的市场需求。 艾瑞泽8 PRO搭载"中国品牌十佳发动机"鲲鹏动力1.6TGDI与7DCT黄金动力组合，拥有145k·W的最 大功率，峰值扭矩290N·m，百公里加速7秒级，且只需92号汽油，油耗6.5L， ...