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About product and suppliers:
        Alibaba.com offers 751 7 inch casing pipe products. About 65% of these are steel pipes, 4% are plastic tubes, and 1% are iron pipes. 

A wide variety of 7 inch casing pipe options are available to you, such as api n80, 20#, and api j55. You can also choose from api, astm, and bs. As well as from ce, bsi. And whether 7 inch casing pipe is oil pipe, structure pipe, or drill pipe. 

There are 749 7 inch casing pipe suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Poland, and United Arab Emirates, which supply 99%, 1%, and 1% of 7 inch casing pipe respectively. 

 inch casing pipe products are most popular in Southeast Asia, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 349 with ISO9001, 173 with Other, and 24 with OHSAS18001 certification.