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About product and suppliers:
        Alibaba.com offers 1,103 l80 casing coupling products. About 38% 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 female, male. As well as from casting, forged. And whether l80 casing coupling is equal, or reducing. 

There are 1,110 l80 casing coupling suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Thailand, and Canada, 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 479 with ISO9001, 332 with Other, and 215 with ISO14001 certification.