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About product and suppliers:
        Alibaba.com offers 111,116 brass union products. About 11% of these are pipe fittings, 1% are zinc alloy jewelry, and 1% are handbags. 

A wide variety of brass union options are available to you, such as coupling, union, and elbow. You can also choose from copper, pp-r, and iron. As well as from hexagon, square. And whether brass union is female, male, or welding. 

There are 110,867 brass union suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 99%, 1%, and 1% of brass union respectively. 

Brass union products are most popular in North America, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 19,314 with ISO9001, 8,236 with Other, and 3,546 with ISO14001 certification.