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About product and suppliers:
        Alibaba.com offers 201 copper neck flange products. About 38% of these are flanges, 3% are pipe fittings. 

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

There are 201 copper neck flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copper neck flange respectively. 

Copper neck flange products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 79 with ISO9001, 40 with Other, and 16 with ISO/TS16949 certification.