Precision Speed Reducer
Build a purchase-ready requirement, understand market pricing, and compare qualified Chinese manufacturers in one sourcing brief.
Find Suppliers
Requirement analysis
Product Analysis
Key Points of the Requirement
Define the reducer type—strain-wave (harmonic) drive for compact high-ratio joints, RV or cycloidal for high-torque axes, or precision planetary for general motion—along with reduction ratio, rated and peak torque, input speed, and repeated positioning accuracy. Specify backlash in arc-minutes, torsional stiffness, the motor interface and flange dimensions, expected service life in hours, and the application (robot joint, rotary axis, or machine tool).
Cost Structure Analysis
Precision machining and finishing dominate cost: the flexspline cup or cycloidal cam, special cross-roller or cam bearings, heat treatment, grinding and lapping, specialty grease, and 100% inspection of backlash and stiffness. Materials and heat-treatment quality separate premium from budget tiers. Chinese brands now approach Japanese performance at roughly 30–50% lower prices, and volume pricing steps are meaningful above 100–500 units.
Estimated Cost Range
Indicative factory pricing from Chinese manufacturers: strain-wave (harmonic) drives $150–$600 per unit depending on size and ratio; precision planetary reducers $80–$400; RV and cycloidal reducers $400–$1,200 for high-torque sizes. At 100–499 units expect 10–15% below single-unit pricing, and 20–30% above 1,000 units. Japanese-brand equivalents price 1.5–2.5× higher.
Procurement Considerations
Prioritize manufacturers providing per-batch backlash and torsional-stiffness test certificates, life-test data at rated torque, and consistent serialization for traceability. Verify motor mating interface drawings and concentricity tolerances before ordering, since misalignment is the leading failure cause. Confirm grease type for your temperature range, MOQ effects on price, warranty terms on accuracy retention, packaging (shock-protected, corrosion-inhibited), Incoterms, and delivery destination.
Supplier shortlist
Top 3 matched suppliers
A comparison-ready shortlist balancing quality systems, product capability, capacity, and commercial flexibility.
#1 recommended
Suzhou Green Harmonic Drive Technology Co., Ltd.
A leading high-tech enterprise specializing in the research, design, and production of high-precision harmonic drive devices. The company is a pioneer in the domestic harmonic reducer industry, breaking international monopolies in industrial robot core components.
#2 recommended
Zhejiang Shuanghuan Driveline Co., Ltd.
One of the world's largest professional gear manufacturers, focusing on high-precision gears and RV reducers for industrial robots. They provide transmission solutions for automotive, power tools, and high-end equipment sectors.
#3 recommended
Ningbo Zhongda Leader Intelligent Transmission Co., Ltd.
A specialized manufacturer of micro-motors, precision reducers, and transmission controllers. Their 'Zhongda Leader' brand is well-known for planetary reducers and RV reducers used in smart logistics and medical equipment.
Put in a Requirement to Find Better Matches
Add only the product details that matter to you to receive a more relevant supplier shortlist.