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About product and suppliers:
        Alibaba.com offers 1,298 l80 casing coupling products. About 45% of these are pipe fittings, 1% are shaft couplings. 

A wide variety of l80 casing coupling options are available to you, such as alloy, carbon steel, and stainless steel. You can also choose from coupling, nipple. As well as from casting, forged. And whether l80 casing coupling is equal, or reducing. 

There are 1,304 l80 casing coupling suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Thailand, and United Arab Emirates, which supply 99%, 1%, and 1% of l80 casing coupling respectively. 

L80 casing coupling products are most popular in Mid East, South America, and North America. 

You can ensure product safety by selecting from certified suppliers, including 631 with ISO9001, 325 with Other, and 155 with ISO14001 certification.