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About product and suppliers:
        Alibaba.com offers 744 wpb flange products. About 33% of these are flanges, 1% are flange. 

A wide variety of wpb flange options are available to you, such as stainless steel, carbon steel. You can also choose from din, asme, and ansi. As well as from free samples. 

There are 744 wpb flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of wpb flange respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 744 with Other, 402 with ISO9001, and 14 with OHSAS18001 certification.