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About product and suppliers:
        Alibaba.com offers 12,350 coupling union connector products. About 2% of these are connectors. 

A wide variety of coupling union connector options are available to you, such as adapter, xlr, and rj45. You can also choose from metal, stainless steel, and carbon steel. As well as from power, automotive, and pcb. And whether coupling union connector is female, or male. 

There are 12,369 coupling union connector suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of coupling union connector respectively. 

Coupling union connector products are most popular in Southern Europe, Northern Europe, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,794 with ISO9001, 667 with Other, and 333 with ISO14001 certification.