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About product and suppliers:
        Alibaba.com offers 625 collar pipe fittings products. About 49% of these are pipe fittings, 20% are construction machinery parts, and 10% are flanges. 

A wide variety of collar pipe fittings options are available to you, such as stainless steel, iron, and carbon steel. You can also choose from elbow, cap, and coupling. As well as from equal, reducing, and round. And whether collar pipe fittings is welding, male, or female. 

There are 625 collar pipe fittings suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of collar pipe fittings respectively. 

Collar pipe fittings products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 385 with Other, 215 with ISO9001, and 36 with ISO14001 certification.