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About product and suppliers:
        Alibaba.com offers 18,131 supply flange products. About 32% of these are pipe fittings, 5% are valves, and 3% are flanges. 

A wide variety of supply flange options are available to you, such as carbon steel, stainless steel, and steel. You can also choose from iso, ansi, and bs. As well as from nonstandard, standard. And whether supply flange is free samples, or paid samples. 

There are 18,131 supply flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of supply flange respectively. 

Supply flange products are most popular in Southeast Asia, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 8,639 with ISO9001, 2,125 with Other, and 1,582 with ISO14001 certification.