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.
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
What Is a PMSM Motor Used For? Permanent Magnet Synchronous Motors, commonly known as PMSM motors, are now one of the most widely used electric motor technologies in modern industry. From electric vehicles to industrial automation systems, PMSM motors are trusted for their high efficiency, stable torque, compact size, and long service life. As industries
Top Applications That Require a BLDC Motor with Brake In today’s automation-driven world, motion control is not just about speed and torque. It is about precision, safety, and control after power is cut off. This is why the BLDC motor with brake has become a preferred solution in many industries. Buyers searching for “bldc motor
What Factors Really Determine BLDC Motor Lifetime? In industrial automation, robotics, medical devices, electric vehicles, and smart equipment, the brushless DC motor is often described as “maintenance-free” and “long-lasting.” But in real-world applications, many engineers and buyers quietly ask the same question: Why do some BLDC motors last 10 years while others fail within two?
Will AI‑based Control Algorithms Change BLDC Motor Performance? BLDC motors have already earned a strong position in industrial automation, electric vehicles, medical devices, HVAC systems, robotics, and many other applications where efficiency, reliability, and precise control matter. For years, improvements in BLDC motor performance mainly came from better magnetic materials, refined mechanical design, and more
