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About product and suppliers:
        Alibaba.com offers 11,689 long coupling products. About 21% of these are pipe fittings, 2% are shaft couplings, and 1% are other general mechanical components. 

A wide variety of long coupling options are available to you, such as steel, aluminium, and stainless steel. You can also choose from forged, casting. As well as from coupling, nipple, and elbow. And whether long coupling is disc, metal bellows, or gear. 

There are 11,689 long coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of long coupling respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,903 with ISO9001, 896 with Other, and 249 with ISO14001 certification.