Company Profile

"Chongqing Changyu Piston Co., Ltd. specializes in the production of various diesel internal combustion engine pistons, forged pistons, Cummins series pistons, including automobile, agricultural machinery, engineering machinery, marine and other engine pistons, and various mid-to-high-end pistons are customized.

The company focuses on technological progress and technological innovation. We strive to keep pace with international standards in terms of new product development, production technology and equipment, and computer applications. The company now has advanced imported high-precision piston casting machines, CNC machining center production lines imported from Taiwan, three-coordinate measuring instruments and professional technical management talents. We have also built a piston testing center and material testing center of a certain scale to provide strong backing for manufacturing high-quality products. We provide high-quality accessories for many domestic OEMs and large-scale domestic maintenance markets.


The company adheres to the principles of improvement and innovation, excellence, satisfaction and peace of mind. For the long-term development and sustainable operation of the company, we continue to introduce advanced foreign equipment and testing methods, and are committed to developing new products that are supercharged, environmentally friendly, high-power and low-emission. The company has a complete quality assurance system, and all products are continuously and effectively carried out in strict accordance with the quality system requirements during the design, R&D and manufacturing processes. Product quality is stable and reliable.

Quality comes from persistence, and brand comes from trust. With the strong support of colleagues from all walks of life and customers, the hard work, continuous improvement and unremitting pursuit of all employees have achieved brilliant results and continued to grow and develop. We are willing to establish long-term cooperative relationships with customers at home and abroad. "