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About Honing for cylinder liner engine Honing technology is the birth and development of the automobile. Cylinder - piston ring is the most important friction pair in the automobile, its performance and working condition directly affect the quality, grade, service life and human living environment of automobile products. Подробнее >>

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Professional customization & Heart services With more than 15 years experience, we offer a full range of diamond honing stones, CBN honing stones, honing tools, such as mandrels, honing heads, adapters, wedges, retainers and other customized sets. Подробнее >>
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