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About product and suppliers:
        Alibaba.com offers 1,428 2 1 reduction gearbox products. About 45% of these are construction machinery parts, 21% are gearboxes, and 15% are speed reducers. 

A wide variety of 2 1 reduction gearbox options are available to you, such as planetary, helical, and cycloidal. 

There are 1,605 2 1 reduction gearbox suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and India, which supply 98%, 1%, and 1% of 2 1 reduction gearbox respectively. 

 1 reduction gearbox products are most popular in United States, Australia, and Canada.