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About product and suppliers:
        Alibaba.com offers 2,598 high neck flange products. About 84% of these are flanges, 1% are flange. 

A wide variety of high neck flange options are available to you, such as carbon steel, stainless steel, and steel. You can also choose from din, asme, and jis. As well as from flange, flanged. And whether high neck flange is casting, or forged. 

There are 2,606 high neck flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 98%, 1%, and 1% of high neck flange respectively. 

High neck flange products are most popular in Domestic Market, Eastern Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,899 with ISO9001, 383 with Other, and 24 with ISO/TS16949 certification.