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About product and suppliers:
        Alibaba.com offers 1,147 planetary gear set products. About 29% of these are spur gears, 11% are gearboxes, and 8% are speed reducers. 

A wide variety of planetary gear set options are available to you, such as free samples, paid samples. 

There are 1,147 planetary gear set suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of planetary gear set respectively. 

Planetary gear set products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 336 with ISO9001, 98 with Other, and 77 with ISO14001 certification.