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About product and suppliers:
        Alibaba.com offers 274 u bolt making machine products. About 44% of these are bolts, 31% are thread rolling machines, and 3% are other metal & metallurgy machinery. 

A wide variety of u bolt making machine options are available to you, such as free samples. 

There are 270 u bolt making machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 94%, 4%, and 1% of u bolt making machine respectively. 

U bolt making machine products are most popular in Mid East, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 120 with ISO9001, 33 with Other, and 8 with ISO14001 certification.