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About product and suppliers:
        Alibaba.com offers 9,881 dn pipe products. About 29% of these are plastic tubes, 25% are pipe fittings, and 13% are steel pipes. 

A wide variety of dn pipe options are available to you, such as a53(a,b), 10#, and api j55. You can also choose from astm, jis, and bs. As well as from pe, pvc, and stainless steel. And whether dn pipe is fluid pipe, boiler pipe, or oil pipe. 

There are 9,881 dn pipe suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of dn pipe respectively. 

Dn pipe products are most popular in Southeast Asia, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 8,186 with ISO9001, 1,249 with Other, and 1,106 with ISO14001 certification.