Piston ring
![Lower arm - L [small lining] Audi A4L (B8)/Audi Q5/Audi C7](https://file.cnauto.vip/upload/20240815/b1ab8828c73bb48ed0d31c1ae316656d_thumb_png.webp)
适用于新桑塔纳/新朗逸/新捷达/斯柯达欣锐 1.4
活塞环是用于嵌入活塞槽内部的金属环，活塞环有两种类型：压缩环和油环。压缩环可用于密封燃烧室中的易燃气体混合物;油环用于刮掉气缸中多余的油。
活塞环是具有较大的向外膨胀变形的金属弹性环，它与其相应的轮廓组装成环形槽。往复式和旋转活塞环依靠气体或液体的压力差，在外圈表面和气缸的一侧与活塞环和活塞环槽之间形成密封。
| Company Name | Tianjin Jinliyan Automotive Engineering Technology... | Country | China |
| Business Type | Manufacturer/Factory | Company Size | 300 |
| Established | September 10, 2016 | ||
| Address | The fourth floor of the R&D Center of Xingqi No. 1 Park, No. 3, Haitai Development Sixth Road, Huayuan Industrial Zone, Tianjin Binhai High-tech Zone (outside the ring). | ||
| Main Products | Vehicle design and development services, customized modifications, modified parts | ||
Jinliyan is a high-tech enterprise integrating advanced technology development, product design engineering development,
process engineering development, mold engineering development, prototype trial production and small batch tooling development. Since its establishment, the company has formed a complete independent research and development system of automotive
technology with advanced technology center, product design engineering center, SE& size engineering center, process engineering center and manufacturing center as the main body, and has the ability to develop vehicle projects.
The company's existing experts and technical backbones have many years of practical experience, have participated in a number of enterprise product development and synchronous engineering projects, and have formed a long-term strategic partnership with a number of automobile manufacturers. The company adheres to the business philosophy of "competition, innovation, cooperation and development", and is determined to become an excellent automotive engineering expert and contribute to the development of China's automobile industry.
