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About product and suppliers:
        Alibaba.com offers 1,527 quality price ratio products. About 2% of these are gearboxes, 1% are speed reducers. 

A wide variety of quality price ratio options are available to you, such as planetary, worm, and helical. You can also choose from free samples, paid samples. 

There are 1,527 quality price ratio suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of quality price ratio respectively. 

Quality price ratio products are most popular in North America, Southeast Asia, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 406 with ISO9001, 338 with Other, and 72 with ISO22000 certification.