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About product and suppliers:
        Alibaba.com offers 5,280 gi union products. About 11% of these are pipe fittings, 1% are packaging boxes. 

A wide variety of gi union options are available to you, such as iron, stainless steel, and carbon steel. You can also choose from union, tee, and coupling. As well as from female, welding, and male. And whether gi union is casting, or forged. 

There are 5,280 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, South Asia, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 818 with ISO9001, 135 with Other, and 68 with ISO14001 certification.