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About product and suppliers:
        Alibaba.com offers 720 wpb flange products. About 64% of these are pipe fittings, 33% are flanges, and 1% are valves. 

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

There are 720 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 720 with Other, 380 with ISO9001, and 11 with OHSAS18001 certification.