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About product and suppliers:
        Alibaba.com offers 438,329 reducer products. About 2% of these are speed reducers. 

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

There are 435,827 reducer suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 96%, 1%, and 1% of reducer respectively. 

Reducer products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 157,062 with ISO9001, 82,532 with Other, and 24,312 with ISO14001 certification.