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About product and suppliers:
        Alibaba.com offers 53,404 screwed union products. About 37% of these are bottles, 2% are pipe fittings, and 1% are packaging boxes. 

A wide variety of screwed union options are available to you, such as stainless steel, carbon steel, and copper. You can also choose from union, elbow, and tee. As well as from equal, round, and reducing. And whether screwed union is forged, or casting. 

There are 53,404 screwed union suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of screwed union respectively. 

Screwed union products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 14,714 with ISO9001, 6,408 with Other, and 5,009 with ISO14001 certification.