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.
Top Mistakes to Avoid When Selecting a BLDC Motor Electric motors are everywhere in modern industry, but few components cause as many hidden problems as a poorly selected motor. Among all motor types, BLDC motors (Brushless DC motors) are now one of the most widely used solutions in automation, robotics, medical devices, EV subsystems, HVAC,
Single-Phase vs Three-Phase Induction Motors: Which One Do You Need? Choosing the right induction motor is one of the most important decisions engineers, procurement teams, and equipment builders make. Motors directly affect energy use, reliability, maintenance cost, and overall system performance. Among all motor choices, the comparison between single-phase and three-phase induction motors is one
Do Electric Cars Use AC or DC Motors? Electric vehicles have moved from niche technology to mainstream transportation faster than many expected. As EV adoption grows, engineers, procurement teams, system integrators, and even curious buyers often ask the same fundamental question: do electric cars use AC or DC motors? The short answer is that most
BLDC Motor Specifications Explained: Speed, Torque, Voltage & Power Brushless DC (BLDC) motors are now at the center of modern motion systems. They are used in factory automation, robotics, medical equipment, electric vehicles, HVAC systems, and many other applications where efficiency, control, and reliability matter. Yet for many buyers and engineers, BLDC motor specifications still
Custom BLDC Motors vs Standard Motors: Which Should You Choose? In today’s competitive industrial and commercial landscape, electric motors are no longer simple components hidden inside machines. They directly affect product performance, energy efficiency, reliability, noise level, and even brand reputation. Among all motor types, brushless DC motors, commonly known as BLDC motors, have become
Why BLDC Motor Is Used in Electric Vehicles? Electric vehicles are changing how people think about transportation, energy use, and mobility. At the center of this change is the electric motor. Among many motor types, the Brushless DC motor, commonly known as the BLDC motor, has become a preferred choice in modern electric vehicles. This
