Small Gearbox Manufacturer

Leading Precision Miniature Gearbox Manufacturer

Founded in 1989, Yeh-Der specializes in high-precision plastic gearboxes and gear motors, including planetary, helical, and Gear Pump systems.

We provide full-service OEM/ODM capabilities—from mechanical design and rapid prototyping to mold tooling, injection molding, automated assembly, and strict quality testing. Delivering cost-effective, high-reliability motion solutions worldwide.