High-Precision Motion Components for Global Automation
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Built on Precision. Trusted Worldwide.
Precision
CMM-inspected every unit. Backlash tolerance as tight as ≤3 arc-min. Tolerances held to ±0.005mm.
Reliability
ISO 9001:2015 & ISO 14001 certified production. Every shipment backed by comprehensive QC documentation.
Customization
MOQ=1 with no mold fees. Fully custom gears and gearboxes to your drawings or samples. Any material, any spec.
Speed
15-day standard delivery on catalog items. Expedited production available for urgent requirements.
Engineered for Performance. Built to Last.
Planetary Gearboxes
High-efficiency planetary gearboxes with ratios from 3:1 to 512:1. Precision-ground sun, planet, and ring gears for smooth, quiet operation.
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Helical Gears
Precision-cut helical gears with smooth, quiet operation. Wide range of module sizes from M0.5 to M10. Ideal for high-speed applications.
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Bevel Gears
Custom bevel gears for 90° power transmission. Straight-cut and spiral designs. Module 0.5-8. ISO 5-6 precision for robotics and automotive.
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Spur Gears
Straight-cut spur gears for power transmission. High-precision tooth profiles with options for induction hardening and surface grinding.
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News & Updates from Yongyao
Yongyao Partners with Dongfeng Forging for New Energy Project
Strategic collaboration to develop precision shaft-gear assemblies for next-generation EV drive systems.
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New Patent: Bevel Gear Processing Technology
Our R&D team secures a new patent for an advanced bevel gear grinding process, improving tooth contact ratio by 15%.
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2025 New Energy Shaft-Gear Smart Production Line Launched
A fully automated smart line now operational, doubling our capacity for EV shaft-gear components with zero-defect target.
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