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About product and suppliers:
        Alibaba.com offers 914 butt welding flange hdpe products. About 45% of these are pipe fittings, 33% are plastic tubes, and 10% are butt welders. 

A wide variety of butt welding flange hdpe options are available to you, such as plastic, carbon steel, and pe. You can also choose from gb, ansi, and iso. As well as from free samples, paid samples. 

There are 920 butt welding flange hdpe suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and Egypt, which supply 99%, 1%, and 1% of butt welding flange hdpe respectively. 

Butt welding flange hdpe products are most popular in Southeast Asia, Domestic Market, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 440 with ISO9001, 92 with ISO14001, and 68 with OHSAS18001 certification.