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About product and suppliers:
        Alibaba.com offers 10,840 rotary union products. About 25% of these are pipe fittings, 1% are other general mechanical components, and 1% are zinc alloy jewelry. 

A wide variety of rotary union options are available to you, such as copper, stainless steel, and carbon steel. You can also choose from coupling, union, and bushing. As well as from male, female, and welding. And whether rotary union is forged, or casting. 

There are 10,870 rotary union suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and South Korea, which supply 97%, 1%, and 1% of rotary union respectively. 

Rotary union products are most popular in Southeast Asia, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 2,603 with ISO9001, 338 with Other, and 175 with ISO14001 certification.