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![]() 质 量 保 证1、材料规范:国产6Cr13Mo;进口9Cr18Mo。 2、工艺精湛:01级精度专业设备加工而成。端面、外圆精度及外观可以和任何厂家媲美。 3、产品质量优于国家标准和行业标准:氮化层深度≥0.10mm;外圆硬度超过HV1100,0.05. Yanshi Liyuan piston ring factory, is located in China's culture, Luoyang, is the specialized development automobile, motorcycle nitriding piston manufacturer. Our factory always engineer and related technical staff have twenty to thirty years manufacturing experience of the piston ring,... [详细介绍] |