Group 1 - The core point of the article is that Daming Electronics (Chongqing) Co., Ltd. has obtained a patent for an "electric support rod for car tailgates," which addresses the issue of inconvenient assembly of existing electric support rods [1] - The patent, with authorization announcement number CN223854075U, was applied for on February 2025 and falls under the automotive parts sector [1] - The design includes components such as an outer sleeve, motor housing, spring guide tube, and a rod with a screw nut, which enhances the assembly process by allowing easier installation of bearings and positioning pieces [1] Group 2 - Daming Electronics (Chongqing) Co., Ltd. was established in 2020 and is located in Chongqing, primarily engaged in the manufacturing of computers, communications, and other electronic devices [1] - The company has a registered capital of 330 million RMB and has participated in 19 bidding projects, holds 33 patents, and possesses 30 administrative licenses according to Tianyancha data [1]

专利摘要显示，本发明涉及汽车配件技术领域，具体涉及一种撑杆组件、尾门总成以及汽车，其撑杆组 件结构简单、成本低，且能够实现任意位置悬停。该撑杆组件包括：套筒，轴向一端具有开口；伸缩 件，包括缸筒和活塞杆，两者的至少部分结构通过开口穿设于套筒内，且活塞杆与套筒连接；弹性件， 设置于缸筒的穿设于套筒内的至少部分结构上，且与套筒沿轴向可滑动地连接；弹性件与套筒的配合面 间设有相配合的凹部和凸部，其一者设于套筒的内壁，且沿轴向依次设置多个；另一者设于弹性件的外 壁；弹性件具有限制套筒沿轴向滑动的锁定状态；在锁定状态，凸部的至少部分结构嵌设于凹部内；活 塞杆在伸长或缩短时，适于带动套筒沿轴向滑动，并解除弹性件的锁定状态。 天眼查资料显示，重庆长安汽车股份有限公司，成立于1996年，位于重庆市，是一家以从事汽车制造业 为主的企业。企业注册资本992179.9422万人民币。通过天眼查大数据分析，重庆长安汽车股份有限公 司共对外投资了118家企业，参与招投标项目5000次，财产线索方面有商标信息3116条，专利信息5000 条，此外企业还拥有行政许可964个。 金融界2025年6月9日消息，国家知识产权局信息显示，重庆长安 ...