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About product and suppliers:
        Alibaba.com offers 1,635 king coupling products. About 9% of these are pipe fittings, 1% are shaft couplings. 

A wide variety of king 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 king coupling is equal, or reducing. 

There are 1,635 king coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of king coupling respectively. 

King coupling products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 227 with ISO9001, 155 with Other, and 23 with BSCI certification.