Electric Motor Supplier QS Motor, has been committed to R&D, production and sales of high-power, high-quality electric vehicle motors since 2006.

With nearly two decades of industry experience and technological accumulation, we have grown into a benchmark brand in the global high-power electric motor field, trusted by customers worldwide for its reliable quality and excellent performance.
Founded in 2006, QS Motor is rooted in Taizhou, a core base for China’s new energy vehicle parts industry. Adhering to the concept of “Technology Empowers Mobility, Quality Wins the World”, the company has always focused on the R&D and innovation of electric drive systems.
With a standardized production base, QS Motor has an annual production capacity of 1 million units, which can stably meet the large-volume supply needs of global customers. The company has passed ISO 9001 quality management system certification, as well as international certifications such as CE and DOT, ensuring that every product meets global quality standards.
As a professional electric motor supplier, QS Motor has a complete product line, covering high-power in-wheel hub motors and IPM electric mid-drive motors, which are widely used in electric bikes, electric scooters, electric motorcycles, electric cars and other fields. Our products are famous for their high efficiency (85%~92%), long service life (3~5 years) and low repair rate (less than 1%), winning wide recognition from domestic and foreign customers.
1. In-Wheel Hub Motors (500W – 14kW)
With voltage range of 48V-120V and speed range of 30km/h-150km/h, our in-wheel hub motors are available in multiple models to meet the needs of different vehicle types:
– QS E-Bicycle Hub Motor: Energy-saving and efficient, suitable for daily commuting electric bikes;
– QS E-Motorcycle Spoke Hub Motor: Strong load capacity, stable operation, perfect for high-power electric motorcycles;
– QS E-Scooter Hub Motor: Compact structure, lightweight design, matching electric scooters of various specifications;
– QS E-Car Hub Motor: High power density, strong torque, adapted to electric cars and low-speed four-wheelers;
– QS Single Shaft Hub Motor: Flexible installation, suitable for special modified vehicles;
– QS Vehicle DIY Motor: Customizable parameters, favored by vehicle modification enthusiasts.
2. IPM Electric Mid-Drive Motors (1000W – 12000W)
QS Mid Drive Motor adopts advanced IPM (Interior Permanent Magnet) technology, with the advantages of high power density, low energy consumption and strong overload capacity. It can provide strong power support for electric motorcycles, electric tricycles and other heavy-duty electric vehicles, bringing users a smooth and powerful riding experience.
QS Motor has always taken technology as the core driving force, and has formed unique competitive advantages in magnetic circuit design, automatic transmission and other aspects. Our motors adopt high-grade internal configurations, including H-class temperature-resistant oxygen-free copper wires, customized high-grade temperature-resistant magnetic steel and thickened wheel hubs, ensuring stable power output and long service life even in harsh working conditions.
Strict quality control runs through the whole production process: from the selection of raw materials to the final inspection before shipment, every motor has to go through multiple strict tests, including performance testing, high-temperature resistance testing and waterproof testing.
QS Motor will continue to adhere to technological innovation and quality first, and strive to provide global customers with more high-quality, efficient and environmentally friendly electric motor products and drive system solutions.
