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.
What Is the Most Common Cause of Electric Motor Failure? Electric motors power nearly every modern industry, but motor failure remains a major cause of downtime, production loss, and maintenance cost. At United Motion Inc., OEMs and engineers often ask what causes electric motor failure and how to prevent it. While heat is the primary
Where Are Induction Motors Commonly Used? Induction motors are one of the most widely used electric motors in the world, and for good reason. They are reliable, cost-effective, easy to maintain, and suitable for a wide range of industrial and commercial applications. From factories and warehouses to farms, buildings, and infrastructure systems, induction motors quietly
Can Induction Motor Rotate at Synchronous Speed? In many industrial projects, buyers, engineers, and procurement teams ask a simple but critical question: can an induction motor rotate at synchronous speed? This question often comes up when selecting motors for pumps, conveyors, compressors, and automated equipment. It reflects a real concern about efficiency, torque stability, energy
Key Parameters to Consider When Choosing a PMSM Motor Choosing the right Permanent Magnet Synchronous Motor (PMSM) is no longer just a technical decision made by engineers in isolation. Today, it is a strategic buying choice that directly affects efficiency, cost control, reliability, and long-term competitiveness. For manufacturers, system integrators, and OEM buyers, selecting the
United Motion Inc.’s Parent Company GreenSky Power Begins Construction of New Factory in Thailand United Motion Inc. is pleased to announce that its parent company, GreenSky Power, has officially started construction of a new manufacturing facility in Thailand. This milestone marks an important step in GreenSky Power’s global expansion strategy and reinforces its long-term commitment
P MSM Motor Control: Principles, Methods, and Applications Permanent Magnet Synchronous Motors, commonly called PMSM motors, have become a key solution in modern electric drive systems. Buyers searching for PMSM motor control are often facing the same challenges: how to improve efficiency, reduce energy loss, achieve precise speed control, and ensure long-term reliability in demanding
