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About product and suppliers:
        Alibaba.com offers 15,041 square connect products. About 29% of these are pipe fittings, 1% are connectors. 

A wide variety of square connect options are available to you, such as pp-r, stainless steel. You can also choose from female, flange. As well as from hexagon, square. And whether square connect is adapter, din, or bnc. 

There are 14,993 square connect suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and Taiwan, which supply 98%, 1%, and 1% of square connect respectively. 

Square connect products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 6,387 with ISO9001, 2,321 with Other, and 1,848 with ISO14001 certification.