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About product and suppliers:
        Alibaba.com offers 1,653 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 plastic, stainless steel, and steel. You can also choose from coupling, union, and flange. As well as from casting, forged. And whether king coupling is equal, or reducing. 

There are 1,653 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, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 189 with ISO9001, 149 with Other, and 23 with ISO/TS16949 certification.