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About product and suppliers:
        Alibaba.com offers 1,082 47mm piston products. About 40% of these are air-compressors, 10% are piston, and 10% are cylinder liner. 

A wide variety of 47mm piston options are available to you, such as free samples, paid samples. 

There are 1,083 47mm piston suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 97%, 2%, and 1% of 47mm piston respectively. 

7mm piston products are most popular in Africa, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 386 with ISO9001, 144 with Other, and 37 with OHSAS18001 certification.