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.
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.
Top Applications of BLDC Motors in Modern Industry Brushless DC motors are quietly powering many of the systems we rely on every day. From smart home devices to industrial automation, these motors have become a core technology in modern engineering. Their high efficiency, long lifespan, and compact design make them ideal for industries that demand
Why PMSM Motor is Used in Electric Vehicles? Electric vehicles are changing the global transportation industry. As governments push for cleaner energy and automakers compete to build longer-range vehicles, one core technology continues to receive attention: the electric motor. Among several motor types used in electric mobility, the Permanent Magnet Synchronous Motor (PMSM) has become
Lawn Mower Motor Solutions for Robotic Mowers The rapid development of robotic lawn mowers is transforming how residential and commercial landscapes are maintained. At the core of these machines lies one of the most critical components: the lawn mower motor. The motor determines cutting efficiency, movement stability, battery life, and overall reliability of the mower.
How to Choose a BLDC Motor with Brake for Industrial Automation? Industrial automation systems demand motion control solutions that are precise, reliable, and energy efficient. One component that plays a critical role in many automation machines is the BLDC motor with brake. From robotics and packaging systems to medical equipment and CNC machines, these motors
How Torque and Speed Affect BLDC Motor Performance? Brushless DC motors are widely used in modern machines because they provide high efficiency, stable speed control, and long service life. However, when engineers or equipment manufacturers choose a motor, two parameters always determine the final performance: torque and speed. These two values control how much load
Can You Use Motor Oil in Lawn Mower? When your lawn mower is due for an oil change, one simple question usually comes up: Can you use motor oil in a lawn mower? The short answer is yes—but only if you choose the right type and viscosity. The wrong oil can shorten engine life, increase
