Piston Ring Direct – Full Production Process, 1M+ Daily Output, Large Stock for Global Supply

1.Production Process From specialty steel strip coiling, micron-level gap cutting, gas nitriding hardening, to final precision grinding – fully automated continuous lines. Each process stage is equipped with inline inspection equipment for real-time monitoring of end gap, radial pressure, and twist, ensuring dimensional consistency. 2.Output & Capacity Multiple parallel lines, single-factory daily output exceeding 1 million pieces, annual capacity surpassing 300 million pieces, covering diameters from 50mm to 200mm – compatible with passenger cars, commercial vehicles, and construction machinery engines. 3.Stock Availability Large quantity in stock with popular specifications maintaining 500,000+ sets. Every batch undergoes Piston Ring Test with 100% optical sorting; non-conforming units automatically rejected – Quality Assurance with full traceability throughout. We supply premium Piston Rings and matching Engine Parts – your trusted source for Vehicle parts, Auto Parts.