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About product and suppliers:
        Alibaba.com offers 630 dn 90 pipe products. About 65% of these are pipe fittings, 10% are plastic tubes, and 2% are steel pipes. 

A wide variety of dn 90 pipe options are available to you, such as stainless steel, pe, and pvc. You can also choose from elbow, tee, and cap. As well as from 10#, a53(a,b), and 20#. And whether dn 90 pipe is api, jis, or astm. 

There are 553 dn 90 pipe suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and India, which supply 97%, 2%, and 1% of dn 90 pipe respectively. 

Dn 90 pipe products are most popular in South America, Eastern Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 550 with ISO9001, 30 with Other, and 30 with ISO14001 certification.