DONGYI.DONGYI was established on December 4, 2006, with its registered office in Wenzhou City, Zhejiang Province. It is a modern enterprise dedicated to the research, production, sales, and service of compressor components. DONGYI specializes in manufacturing four major categories of mature technology products: compressor valve series, compressor packing seal series, piston components series, and regulating valve series. Leveraging years of extensive experience in development, production, and sales, the company has established a comprehensive product portfolio. The company offers over a hundred types of compressor components for the localization of imported units, including internationally renowned brands such as PPI, MAN, SAID, GE New Belong, and Delsey. Through persistent long-term efforts and investment, the company has successfully developed high-quality product series including tungsten oxide/ceramic piston rods, ultra-fine wear-resistant fiber-filled PTFE piston rings, support rings, and packing seal rings, filling gaps in market demand. Key products include: compressor valve series, compressor packing series, compressor piston series, compressor oil scraper series, compressor connecting rod series, compressor crosshead series, compressor cylinder series, compressor crankshaft series, and compressor spare parts.
