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About product and suppliers:
        Alibaba.com offers 4,449 steel bar coupler products. About 61% of these are metal building materials, 6% are pipe fittings, and 1% are hydraulic parts. 

A wide variety of steel bar coupler options are available to you, such as steel, stainless steel. You can also choose from free samples, paid samples. 

There are 4,449 steel bar coupler suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of steel bar coupler respectively. 

Steel bar coupler products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,201 with ISO9001, 109 with ISO14001, and 82 with Other certification.