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About product and suppliers:
        Alibaba.com offers 6,125 coupling nipple products. About 89% of these are pipe fittings, 1% are animal drinkers, and 1% are feeding supplies. 

A wide variety of coupling nipple options are available to you, such as stainless steel, plastic, and pe. You can also choose from nipple, coupling, and elbow. As well as from casting, forged. And whether coupling nipple is female, male, or welding. 

There are 6,125 coupling nipple suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of coupling nipple respectively. 

Coupling nipple products are most popular in North America, Northern Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 2,589 with ISO9001, 1,688 with Other, and 1,083 with ISO14001 certification.