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About product and suppliers:
        Alibaba.com offers 2,997 plug and coupler products. About 19% of these are connectors, 15% are pipe fittings, and 1% are power cords & extension cords. 

A wide variety of plug and coupler options are available to you, such as plastic, pp-r, and stainless steel. You can also choose from free samples, paid samples. 

There are 2,997 plug and coupler suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of plug and coupler respectively. 

Plug and coupler products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,016 with ISO9001, 483 with Other, and 53 with ISO/TS16949 certification.