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About product and suppliers:
        Alibaba.com offers 5,879 adapter coupling products. About 67% of these are pipe fittings, 12% are connectors, and 2% are hydraulic parts. 

A wide variety of adapter coupling options are available to you, such as stainless steel, steel, and iron. You can also choose from coupling, nipple, and flange. As well as from forged, casting. And whether adapter coupling is equal, or reducing. 

There are 5,879 adapter coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of adapter coupling respectively. 

Adapter coupling products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,466 with ISO9001, 534 with Other, and 313 with ISO14001 certification.