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About product and suppliers:
        Alibaba.com offers 69,763 piston ring products. About 35% of these are machinery engine parts, 1% are generator parts & accessories. 

A wide variety of piston ring options are available to you, such as piston ring, cylinder liner, and pump. You can also choose from diesel, gasoline, and natural gas. As well as from free samples, paid samples. 

There are 69,063 piston ring suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 95%, 1%, and 1% of piston ring respectively. 

Piston ring products are most popular in Mid East, North America, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 9,382 with ISO9001, 6,936 with Other, and 2,812 with ISO/TS16949 certification.