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About product and suppliers:
        Alibaba.com offers 1,073 planetary gear set products. About 31% of these are spur gears, 10% are gearboxes, and 3% are other gears. 

A wide variety of planetary gear set options are available to you, such as steel, iron, and plastic. You can also choose from free samples, paid samples. 

There are 1,073 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 Southeast Asia, North America, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 324 with ISO9001, 136 with Other, and 49 with ISO/TS16949 certification.