QTK is a joint venture established by QEXPAND China and PowerST Korea. By combining QEXPAND’s advanced electric drive technology with PowerST’s deep understanding of local market applications, QTK provides high-quality, reliable, and cost-effective electric powertrain solutions and services to Korean manufacturers across various industries, including material handling, utility vehicles, construction equipment, and agricultural machinery. Our main product portfolio includes AC, DC, PM, and EPS motor controllers, PMSM motors, displays, chargers, and related accessories. The product range supports battery-powered vehicles operating from 24VDC to 96VDC, covering AC induction motors, DC motors, PMSM motors, and EPS systems. With extensive engineering expertise, we are committed to delivering efficient, effective, and customized technical support tailored to our customers’ needs. In addition to our manufacturing capabilities in China, a local production and assembly facility is currently being established in Suwon, Korea, to ensure stable supply and prompt customer support.

controller, motor, diaplay, joystick, torque sensor