Custom OEM Synchronous Motor Manufacturer & Suppliers

Industrial-Grade Torque, Low-Noise Precision, and Custom Electromagnetic Drive Systems Engineered for Global Automation

Featured Custom OEM Synchronous & Micro DC Motors

High-torque, high-efficiency, and low-noise electric motor configurations optimized for automation, medical devices, and robotics.

Good Price Brushless Permanent Magnet 12mm 30mm DC Coreless Motor

Good Price Brushless Permanent Magnet 12mm 30mm DC Coreless Motor

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High Precision Encoder Feedback 28mm Dc Planetary Gear 12volt Geared Motor Low Rpm

High Precision Encoder Feedback 28mm Dc Planetary Gear 12volt Geared Motor Low Rpm

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4260 Motor 12v 18v 24v High Torque High Speed 10000rpm Dc Micro Brushless Bldc Motor

4260 Motor 12v 18v 24v High Torque High Speed 10000rpm Dc Micro Brushless Bldc Motor

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Tt Motor High Rpm RS-555 and RS-775 Dc Motor 12v 24v Dc Brushed Motor

Tt Motor High Rpm RS-555 and RS-775 Dc Motor 12v 24v Dc Brushed Motor

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12v Dc Motor 775 1500rpm With Planetary Gearbox Custom Specification

12v Dc Motor 775 1500rpm With Planetary Gearbox Custom Specification

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TT Factory Wholesale Small 5v Dc Gear Motor 12mm Dc Geared Motor Mini Dc Motor 70 Rpm for Robot in Stock

TT Factory Wholesale Small 5v Dc Gear Motor 12mm Dc Geared Motor Mini Dc Motor 70 Rpm for Robot in Stock

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12v 24v OEM Manufacturer Good Quality Low Noise High Power 22mm Micro Dc Coreless Brushless Planetary Geared Motor

12v 24v OEM Manufacturer Good Quality Low Noise High Power 22mm Micro Dc Coreless Brushless Planetary Geared Motor

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High Torque 720RPM Electric DC Micro Mini Small GM12 Brushed Spur Gearbox 12mm 5V N20 Gear Motor

High Torque 720RPM Electric DC Micro Mini Small GM12 Brushed Spur Gearbox 12mm 5V N20 Gear Motor

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Who We Are & What We Believe: Built for the Motion that Matters

Established in 2006, Omini Motor is a specialized High-Tech China factory dedicated to engineering advanced Micro DC, Gear, and Brushless (BLDC) motors.

At Omini Motor, we believe that the heart of every great machine is its motor. If the motor fails, innovation stops. That is why we engineer every drive with industrial-grade margins—ensuring higher torque, lower noise, and longer operational lifespans than standard commercial alternatives. Standard, off-the-shelf motors often force engineers to compromise their designs. We believe you shouldn't have to design your products around standard catalog dimensions. Instead, your motor should be precision-engineered to match your envelope, speed, voltage, and load profiles perfectly.

Our business philosophy bridges the gap between design and volume. Through 100% custom engineering (modifying shafts, voltages, encoders, and gear ratios) and scalable automated production, we supply global OEMs with the exact motion control they need, delivered direct from the source. With almost two decades of manufacturing experience, our team of electromagnetic engineers works hand-in-hand with custom product developers in North America, Europe, and Asia to overcome mechanical constraints, thermal limits, and acoustic requirements.

2006
Established Year
100%
Custom OEM/ODM
<35dB
Low-Noise Margins
ISO9001
Quality Certified
China's Supply Chain & Manufacturing Superiority

Why sourcing directly from Omini Motor's specialized high-tech factory in China delivers unmatched competitive advantages.

The global precision motor manufacturing landscape demands a rare combination of raw material availability, manufacturing agility, and specialized engineering talents. China's integrated industrial clusters provide an unparalleled environment for high-density micro motor fabrication. Omini Motor leverages this ecosystem to source premium-grade permanent magnets (such as high-grade NdFeB), ultra-pure copper wire, and high-strength steels at optimized costs. By managing the supply chain from raw material to finished product, we eliminate multi-tier distributor markups, passing the direct savings to our partners.

Furthermore, our China-based facility integrates rapid prototyping cycles with high-volume automated manufacturing. When an OEM requires a customized shaft spline or custom planetary gearbox, our local tooling shop can produce functional samples within days rather than weeks. This speed accelerates your Time-to-Market (TTM), which is a key metric for technological competitiveness. Through vertical integration, we conduct all gear hobbing, winding, stator laminations, and quality testing in-house, ensuring absolute oversight and consistency across production batches.

Direct Factory Pricing

Direct supply from our high-tech China facility eliminates middleman costs, reducing total acquisition expense.

Agile Tooling & Prototyping

In-house design and mold modifications enable rapid revisions of shaft shapes, gear teeth, and custom housings.

Vertical Process Integration

From automatic wire winding to salt spray testing, every step is controlled internally under ISO9001 protocols.

Premium Raw Materials

Proximity to rare-earth extraction clusters ensures consistent sourcing of high-remanence permanent magnets.

Synchronous & Brushless Motor Technological Advancements & Trends

Exploring the key innovations driving high-torque densities, energy efficiency, and low acoustic noise in modern motion control.

1. Slotless Stator Architecture

By eliminating traditional stator slots, slotless coreless motors remove magnetic cogging torque completely. This guarantees exceptionally smooth rotation at low speeds, which is highly required in surgical robots, high-end optical systems, and precision dispensers.

2. Miniaturization with High Torque Density

Industrial trends require motors under 30mm to deliver output torques previously only achievable by larger frames. Utilizing planetary gearboxes with specialized tooth profiles allows Omini Motor to supply high torque density units for space-constrained applications.

3. Integrated Control Loop Drive

Modern synchronous and brushless motors are shifting from simple open-loop units to smart, self-sensing mechanisms. High-resolution magnetic and optical encoders feed real-time positional data to internal micro-controllers, ensuring closed-loop accuracy.

In addition to these structural trends, energy compliance regulations are steering engineering departments toward high-efficiency permanent magnet synchronous motors (PMSM). Unlike traditional AC induction motors, synchronous motors lock their rotor speed with the stator's rotating magnetic field, eliminating rotor slip losses. In applications like battery-operated tools or portable medical equipment, this translates directly to extended operational cycles on a single charge and reduced heat generation, which protects heat-sensitive neighboring components.

Testing, Verification & Quality Control Facilities

Every single motor manufactured by Omini Motor undergoes rigorous laboratory testing to verify mechanical and electrical parameters.

Our quality verification processes ensure reliability under extreme environments. The High and Low Temperature Tester simulates critical environments (from -40°C to +85°C) to verify that lubricating oils, shaft expansion, and stator insulation do not degrade during thermal transitions. Structural resilience is verified using our Vibration Testing Machine, preventing premature mechanical fatigue in transport or heavy industrial equipment. For coastal and marine automation, our Salt Spray Tester validates that anti-corrosion coatings and anodized motor casings meet high corrosion resistance ratings. By maintaining a clean testing environment equipped with coordinate measuring machines and RoHS detectors, we ensure compliance with international directives.

Industrial Manufacturing Capabilities & Production Line Process

Step-by-step visual documentation of our advanced automated and semi-automated motor assembly processes.

Hobbing
Hobbing
Reducer Casing Assemble 1
Reducer Casing Assemble 1
Reducer Casing Assemble 2
Reducer Casing Assemble 2
Reducer Casing Assemble 3
Reducer Casing Assemble 3
Reducer Casing Assemble 4
Reducer Casing Assemble 4
Reducer Casing Assemble 5
Reducer Casing Assemble 5
Wire Winding
Wire Winding
Soldering
Soldering
Added Lubricating Oil Process
Added Lubricating Oil
Assembling -1
Assembling - 1
Assembling -2
Assembling - 2
Brushless Motor Test
Brushless Motor Test
Gear Motor Test
Gear Motor Test
Life Testing
Life Testing
Packaging
Packaging
Auto Locking Screw Machine
Auto Locking Screw
Automatic Winding Machine
Automatic Winding
Balance Instrument
Balance Instrument
Gear Hobbing Machine
Gear Hobbing
High-Frequency Plastic Welding Machine
High-Freq Welding
Hot Press Machine
Hot Press Machine
Inkjet Printer
Inkjet Printer
Laser Spot Welding Machine
Laser Spot Welding
Polishing Machine
Polishing Machine
Riveting Machine
Riveting Machine
Riveting Press Machine
Riveting Press
Semi-automatic Winding Machine
Semi-auto Winding

Our production facility uses specialized machinery to ensure tight tolerances. Starting with high-accuracy Gear Hobbing Machines, we cut miniature spur and planetary gears to AGMA class guidelines. The stator coils are wound using our Automatic Winding Machines, ensuring uniform copper packing factors that prevent hotspots and voltage breakdowns. Dynamometers perform high-voltage checks on every unit before secondary operations like vacuum-impregnation and environmental varnishing. Finally, dynamic balancing using high-precision balance instruments minimizes rotor run-out, which is critical for reducing vibration and ensuring long bearing lifetimes.

Localization Support, Compliance & Logistics Integration

Ensuring cross-border engineering collaboration, regulatory safety validation, and automated logistics integration.

For global OEMs, sourcing parts internationally involves navigating regulatory compliance and supply-chain logistics. Omini Motor provides local-market engineering support, maintaining representatives to bridge technical and cultural barriers. From initial application review to final system engineering, we provide mechanical models (STEP, IGES formats) and electrical interface specs. This integration supports design-in processes and accelerates local regulatory validation.

On the regulatory front, our motors are fully certified to international standards. Each material batch is screened for hazardous substances using our in-house RoHS Detector, guaranteeing strict compliance with European and North American environmental directives. We provide full traceability documentation, including CE declarations and REACH reports. To facilitate smooth shipping, our logistics division coordinates container planning and customs clearance, offering Incoterms (FOB, CIF, DDP) that align with your procurement requirements.

Technical FAQ: Synchronous & Micro Motor Engineering

Expert technical answers addressing common mechanical and electrical integration challenges faced by product engineers.

What options are available for shaft customization on OEM orders?

We provide a wide range of shaft customizations, including D-cut profiles, round cross-sections, cross-drilled holes, external threads, and splines. Customers can specify shaft dimensions down to ±0.005mm tolerances. Additionally, we support materials like SUS303/SUS304 stainless steel or carbon steel depending on your environmental conditions.

How do slotless BLDC motors differ from slotted designs in medical applications?

Slotless BLDC motors remove the iron core stator teeth, eliminating cogging torque. This results in smooth rotation at low speeds, which is highly required in surgical tools and infusion systems. They also emit lower EMI and operate quietly, which is ideal for clinical patient monitoring environments.

What is the typical lifespan of planetary gearboxes at nominal loads?

Our planetary gearboxes are designed to achieve operational lifespans between 2,000 and 10,000 hours, depending on torque load, operating speeds, duty cycles, and grease formulation. Lifespan is verified using our automated Life Testing Systems under load conditions.

Can you provide custom windings for specific supply voltages?

Yes. We regularly redesign motor windings to match non-standard system voltages (e.g., 3.7V, 5V, 12V, 24V, 36V, or 48V). Modifying winding turns and wire gauges allows us to adjust speed-torque characteristics to match your power budget.

How does Omini Motor handle intellectual property protection?

Intellectual property protection is a core business value. We establish mutual Non-Disclosure Agreements (NDAs) before reviewing any technical blueprints. Your custom designs and tooling are logged securely under proprietary inventory systems to prevent unauthorized access.

Extended Product Catalog & Configurations

Additional micro geared and stepper configurations designed for industrial-grade OEM applications.

GM20-180SH 6v 12v 20mm Small Dc Gear Motor With Encoder

GM20-180SH 6v 12v 20mm Small Dc Gear Motor With Encoder

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TT MOTOR Iso9001 50w 12v 24v Mini BLDC Brushless Electric Bicycle DC Motor

TT MOTOR Iso9001 50w 12v 24v Mini BLDC Brushless Electric Bicycle DC Motor

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5v Micro Gear Reducer 15by Stepper Motor

5v Micro Gear Reducer 15by Stepper Motor

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16mm 22mm 28mm 32mm 1625 12v 24v Volts Slotless 0.5Nm Torque Bldc Brushless Dc Gear Coreless Motor

16mm 22mm 28mm 32mm 1625 12v 24v Volts Slotless 0.5Nm Torque Bldc Brushless Dc Gear Coreless Motor

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High Quality DC 5V 10mm Mini PM Stepper Motor With Planetary Gearbox for Medical

High Quality DC 5V 10mm Mini PM Stepper Motor With Planetary Gearbox for Medical

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TT Motor Mini Brushless DC Planetary Geared Motor DC Electric Motor

TT Motor Mini Brushless DC Planetary Geared Motor DC Electric Motor

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Mini Coreless Brushed Motor 22*30mm DC 12V 12000RPM 6mm Shaft Motor for Pen Tattoo Cartridge Machine

Mini Coreless Brushed Motor 22*30mm DC 12V 12000RPM 6mm Shaft Motor for Pen Tattoo Cartridge Machine

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DC 24V 36V 48V Professional Manufacturer 4071 Coreless Carbon Brush DC Motor

DC 24V 36V 48V Professional Manufacturer 4071 Coreless Carbon Brush DC Motor

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