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About product and suppliers:
        Alibaba.com offers 21,500 welded coupling products. About 49% of these are pipe fittings, 1% are shaft couplings, and 1% are hydraulic parts. 

A wide variety of welded coupling options are available to you, such as stainless steel, carbon steel. You can also choose from coupling, union. As well as from free samples, paid samples. 

There are 21,500 welded coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of welded coupling respectively. 

Welded coupling products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 12,476 with ISO9001, 4,390 with Other, and 2,356 with ISO14001 certification.