United Motion Inc. is the U.S. subsidiary of Greensky Power Company, a professional motor and driver manufacturer with over 15 years of experience in motor industry.

Over the past decade, our portfolio has grown from traditional DC and induction motors to advanced BLDC/PMSM and servo systems featuring cutting-edge technologies. We also collaborate with world-class manufacturers such as Wolong Electric Drive and OLI Motion Control to provide reliable, application-appropriate drive solutions.

With one main manufacturing facility in China and a new facility under construction in Thailand, our annual production capacity is expected to reach 1,000,000 units in 2026 and continue to increase.

In North America, United Motion Inc. serves as your dedicated sales and technical support partner, helping you select and implement the right motor and drive solutions for your applications.

electric motor
UNITED MOTION INC.
greensky power
MOTORS
induction motor

Induction Motor

pmdc motor

PMDC Motor

bldc motor

BLDC & PMSM Motor

stepper motor

Stepper Motor

servo motor

Servo Motor

DRIVERS
servo driver

Servo Driver

variable frequency driver

Variable Frequency Driver

OUR MISSION

At United Motion Inc., we combine global manufacturing expertise with professional engineering support to deliver high-quality motor solutions tailored to the unique needs of our customers worldwide.

wide motor option
stable supply chain
APPLICATIONS

Lawn Mowing Robots

Lawn Mowing Robots

Modern lawn mowing robots require efficient, quiet, and precise operation to handle uneven terrain and long working hours. Compact, energy-saving BLDC motors provide the torque and durability these smart machines need, ensuring reliable performance and a longer lifespan. They help create cleaner, greener, and more autonomous lawn care systems for home and commercial use.
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Electric Bicycles

Electric Bicycles

Electric bicycles combine smooth acceleration, strong torque, and whisper-quiet motion for an enjoyable ride. Using BLDC or geared DC motors designed for energy efficiency and lightweight integration, e-bikes achieve better comfort and longer battery range. Ideal for daily commuting or long-distance cycling, they deliver dependable power and a seamless riding experience.
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Water Pumps

Water Pumps

Efficient water pump systems rely on stable torque, precise speed control, and long-term reliability. BLDC and PMDC motors make this possible with their durable construction, high efficiency, and low maintenance design. Suitable for residential, agricultural, and industrial use, these motors maintain steady water flow while helping reduce overall energy costs.
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Electric Kayaks

Electric Kayaks

Electric kayaks offer smooth propulsion, strong thrust, and a quiet, eco-friendly ride across the water. Compact and waterproof BLDC motors deliver efficient power with excellent corrosion resistance, allowing for longer trips and less energy consumption. Designed for outdoor adventure, they combine durability, performance, and comfort in one sleek system.
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Company News & Blogs

High Precision Servo Drive for CNC Machine

High Precision Servo Drive for CNC Machine: The Complete Buyer’s Guide for Industrial Performance

04/27/2026

In modern manufacturing, precision is no longer optional. CNC machines are expected to deliver consistent accuracy, high speed, and reliable output under demanding conditions. At the center of this performance lies one critical component: the high precision servo drive. Many buyers struggle with issues like positioning errors, unstable motion, overheating, or poor system integration. Choosing

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57mm BLDC motor Lawn Mower

What Are the Benefits of a Brushless Motor in a Lawn Mower?

04/17/2026

What Are the Benefits of a Brushless Motor in a Lawn Mower? Choosing the right motor is one of the most important decisions when designing or buying a lawn mower. Many buyers today are moving away from traditional brushed motors and gas engines toward brushless motors (BLDC motors). The reason is simple: better efficiency, longer

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BLDC Motor vs Stepper Motor: Which One Is Better for Automation?

BLDC Motor vs Stepper Motor: Which One Is Better for Automation?

04/14/2026

BLDC Motor vs Stepper Motor: Which One Is Better for Automation? Choosing the right motor is one of the most critical decisions in automation design. Many engineers and buyers often face the same question: BLDC motor vs stepper motor—which one is better? The answer is not simple, because each motor type solves different problems. Selecting

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Motors Used in Commercial Lawn Mowers

Motors Used in Commercial Lawn Mowers

04/14/2026

Motors Used in Commercial Lawn Mowers Commercial lawn care is no longer just about cutting grass. It is about speed, consistency, cost control, and reliability in demanding environments. Choosing the right motor is one of the most critical decisions for manufacturers and fleet operators, yet it is often misunderstood or oversimplified. This guide explains everything

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What are the key benefits of using BLDC motors?

What Are the Key Benefits of Using BLDC Motors?

04/10/2026

What Are the Key Benefits of Using BLDC Motors? Brushless DC motors, commonly known as BLDC motors, are quickly becoming the preferred choice across industries that demand efficiency, durability, and precise control. From industrial automation to robotics and electric vehicles, their adoption is not just a trend—it is a shift driven by real operational advantages.

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FAQS

United Motion Inc. is a professional BLDC motor manufacturer that designs, produces, and supplies a wide range of electric motors, including brushless DC motors, stepper motors, and servo motors, while also providing customized motion control solutions for industrial applications.

Electric motors commonly used in automation and robotics include BLDC motors, stepper motors, and servo motors, as each type offers different advantages in terms of precision, torque control, and system integration.

BLDC motors can be customized to meet specific application requirements by adjusting parameters such as voltage, torque, speed, and mechanical design, and they can also be integrated with gearboxes, encoders, or drivers for improved performance.

Brushless DC motors are commonly used in industries such as industrial automation, robotics, electric mobility, agricultural machinery, medical devices, and smart equipment due to their high efficiency and reliable performance.

When selecting an industrial BLDC motor, important factors to consider include torque requirements, speed range, voltage, efficiency, thermal performance, and the environmental conditions in which the motor will operate.

United Motion Inc. is a strong choice as an electric motor supplier because it offers a wide product range, reliable quality, customization capabilities, and engineering support that help customers develop efficient and durable motion control systems.

 

Customer Service

 

United Motion Inc.’s motion solution apply in diverse areas all around the world.

Our sales and engineering support teams are ready to assist you with any questions, including quotation, application support, and product configuration.

Please submit your requirements through our Custom Service Form to ensure a faster response. Or you can reach us at info@unitedmotioninc.com  for general inquiries.

Tell Us About Your Application Requirements

 

United Motion Inc welcomes  inquiries and challenges. If you find our standard products cannot meet your need, please feel free to contact us for customization. Our professional engineering and service team will quickly review your need and propose a solution if we can make it. 

We look forward to communicating and collaborating with you!

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