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About product and suppliers:
        Alibaba.com offers 3,625 gi union products. About 15% of these are pipe fittings, 1% are zinc alloy jewelry. 

A wide variety of gi union options are available to you, such as iron, alloy, and stainless steel. You can also choose from union, nipple, and tee. As well as from equal, reducing. And whether gi union is casting, or forged. 

There are 3,625 gi union suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of gi union respectively. 

Gi union products are most popular in Mid East, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 943 with ISO9001, 233 with Other, and 99 with ISO14001 certification.