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About product and suppliers:
        Alibaba.com offers 8,127 pneumatic union products. About 16% of these are multi-function packaging machines, 12% are valves, and 11% are pipe fittings. 

A wide variety of pneumatic union options are available to you, such as union, coupling, and tee. You can also choose from plastic, copper, and stainless steel. As well as from male, female, and welding. And whether pneumatic union is equal, or reducing. 

There are 8,178 pneumatic union suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Thailand, which supply 99%, 1%, and 1% of pneumatic union respectively. 

Pneumatic union products are most popular in Southeast Asia, North America, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 4,259 with ISO9001, 453 with Other, and 175 with ISO14001 certification.