About product and suppliers:
            11,983 transmission gearbox products are offered for sale by suppliers on Alibaba.com, of which speed reducers accounts for 18%, gearboxes accounts for 17%, and gear boxes accounts for 5%. 

A wide variety of transmission gearbox options are available to you, 

There are 11,983 suppliers who sells transmission gearbox on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Taiwan, China, from which the percentage of transmission gearbox supply is 1%, 96%, and 1% respectively.