Construction & Mining Machinery Gear Solutions
High-torque, impact-resistant gears, girth rings, and planetary drive sets engineered for excavators, cranes, drilling rigs, and heavy mining crushers.
ZhongYi Gear Manufacturer (a member of ZhongYi Machinery) | China Precision Gear & Rack Factory Since 2003
China Precision Gear Manufacturer ยท Industry Applications
Review precision gear engineering solutions manufactured at our Zhejiang, China plant. Heavy-duty mining gears, sub-arcminute robotics, farm equipment, medical drives, and renewable energy components to CAD specifications.

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High-torque, impact-resistant gears, girth rings, and planetary drive sets engineered for excavators, cranes, drilling rigs, and heavy mining crushers.
Low-backlash, ultra-precise fine-pitch gears, ground helical racks, and planetary gearheads for robotics, AGV wheel drives, and high-speed motion axes.
High-torque bevel gears, spur gears, and splined drive shafts for tractors, harvesters, rotary tillers, and agricultural PTO gearboxes.
Ultra-quiet, contamination-free micro gears in medical-grade POM, PEEK, and stainless steel for surgical robotics, infusion pumps, and clinical lab equipment.
Heavy-torque yaw/pitch gears, slewing ring drives, and precision worm drives engineered for 20-year service life in wind turbines and solar tracking fields.
With 20+ years of gear manufacturing experience and 500+ customized gear categories, we produce high-precision gears according to any custom 2D blueprint or 3D CAD model.
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Our team can review your gear type, material, heat treatment, tolerance, order quantity, and application conditions before quotation.