Zhangshu Zhengrui Auto Parts Co., LTD. (formerly Jiangxi Piston Ring Factory) is a company with more than 50 years of history, specializing in the production and sales of steam (diesel) oil locomotives, construction machinery, air compressor piston rings, the company is located in the famous medicine and wine town - Zhangshu City, Jiangxi province.After years of continuous improvement and upgrading, the company has a variety of advanced production equipment and perfect testing means. In addition to the production of conventional piston rings, it can also produce a variety of non-standard cross-section rings, a variety of non-standard cross-section rings, covering models such as Isuzu, Toyota, Nissan, Mitsubishi, Hino, Hyundai, Mercedes-Benz, Cummins, Komatsu, Carter, Daewoo, Perkins, Iveco, Yanma, Kubota, Jiangling, Qingling, Foton, etc., products are exported to Europe and Asia, South America and Africa, by the user table gaze.The purpose of the company is "win by quality, mutual benefit and win-win", welcome new and old customers to visit us.