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About product and suppliers:
        Alibaba.com offers 8,157,153 union products. About 3% of these are men's t-shirts, 1% are socks, and 1% are auto lighting system. 

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

There are 8,157,603 union suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and United Kingdom, which supply 99%, 1%, and 1% of union respectively. 

Union products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 988,071 with Other, 756,854 with ISO9001, and 97,856 with ISO14001 certification.