Engineered for high voltage, heavy industries, and hazardous working environments.
Shaanxi Nanfang Motor Technology Co., Ltd. is the official authorized distributor of Wolong. Wolong Electric Drive Group Co., Ltd., established in 1984 and listed on the Shanghai Stock Exchange in 2002 (code SH600580), stands at the forefront of the global electric motor manufacturing industry.
With over 35 years of industrial development, Wolong owns 3 major manufacturing bases, 39 state-of-the-art factories, and 3 global R&D centers. Focused deeply on motors and control systems, Wolong integrates advanced R&D, sophisticated design, and international sales networks to drive progress in industrial automation, petrochemicals, mining, and heavy machinery.
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How upgrading to Ultra-Premium Efficiency (IE5) driving technology aligns with global carbon-neutral mandates.
Electric motor systems in manufacturing sectors consume over 70% of total industrial electricity. Upgrading system architectures to IE5 efficiency provides a direct reduction in active energy losses by up to 35% compared to IE3 class machinery, cutting down direct scope 2 greenhouse gas emissions.
By operating under strict thermal tolerances and optimized magnetic flux distribution, Wolong OEM IE5 designs lower stator heat buildup. This reduces localized friction, mitigates insulation degradation, and doubles bearing lubrication lifespans, optimizing the Total Cost of Ownership (TCO).
Our drive units are specifically engineered to comply with the European Union Ecodesign Regulation 2019/1781, and comply with strict environmental requirements of US DOE and Australia MEPS. This compliance helps clients pass complex international carbon border audits.
Navigating energy scarcity and supply chain pressures through premium drive efficiency.
The global industrial sector faces rising electricity rates alongside strict limits on grid capacity. Regulators worldwide are phasing out sub-standard motors, shifting the commercial focus from low initial purchase costs to long-term operational efficiency. In continuous industries like oil extraction, petrochemical processing, metallurgy, and water treatment, motors run 24/7. In these environments, efficiency gains directly improve profit margins.
As an OEM manufacturer, Shaanxi Nanfang Motor and Wolong provide tailored electric motors to global machinery builders. This ensures that pumps, heavy fans, marine propulsion systems, and mining conveyors operate efficiently under high mechanical stress. The adoption of IE5 Permanent Magnet (PM) and Synchronous Reluctance (SynRM) motors has emerged as a key industrial trend, enabling manufacturers to reduce energy use and meet environmental requirements.
Additionally, using modular frame dimensions simplifies upgrades. Plant operators can replace old IE2 or IE3 induction motors with compact high-efficiency models without undergoing costly physical modifications to their machinery.
Inside the advanced materials and CAD systems that establish Wolong's industry-leading durability.
The rotor features a high-grade squirrel cage configuration, utilizing both centrifugal cast aluminum and precision-welded copper bar technology. Cast aluminum rotors are produced via state-of-the-art die-casting techniques, integrating the rotor bars and end rings into a solid, highly durable component.
For high-capacity, high-torque industrial operations, copper bar rotors are used. Reliable end ring induction welding processes ensure optimal electrical connection. The inclusion of heavy-duty retaining rings in high-speed models secures structural alignment, protecting the copper bars during high centrifugal stresses.
Stator coils are constructed from premium copper wire wrapped in high-grade polyester film, reinforced with mica tape. These stator assemblies undergo VPI (Vacuum Pressure Impregnation), a process that removes air bubbles and coats the windings in protective resin.
This ensures complete moisture resistance, mechanical rigidity against electromagnetic forces, and high thermal endurance. The insulation class is designed to meet Class F or H standards, providing reliable protection against voltage spikes and thermal stress.
The outer frame structure is designed using digital multi-physics simulation platforms, optimizing both heat dissipation and structural strength. Built from cast iron or heavy-welded structural steel, the frame has a high margin of safety against mechanical impact and resonance.
By designing the housing to isolate vibrations, bearing wear is minimized and motor operation remains quiet. Optimized cooling fins align with the fan's airflow, preventing hot spots and ensuring even thermal distribution across the motor.
To meet occupational health standards and reduce noise pollution in industrial facilities, our low-noise fan hood assembly uses an optimized air duct system. The structural design features side inlets that guide incoming air smoothly, minimizing turbulence and reducing aerodynamic noise.
Inside the shroud, sound-absorbing materials reduce acoustic emissions without restricting airflow. Rated at IP22, the fan hood prevents physical contact with the fan blades, ensuring safety in active work areas.
How Wolong consolidated the world's most trusted motor manufacturers to build a leading global technology portfolio.
Founded in Shangyu, China. Successfully listed on the Shanghai Stock Exchange in 2002 (code SH600580), setting the stage for rapid growth.
Acquired 97.94% of Austria's ATB Group, one of Europe's major motor manufacturers. This brought Morley (mining motors with 130 years of history) and Laurence Scott (nuclear/naval applications) into the group. Schorch also joined, bringing expertise in heavy industrial drive systems.
CNE, China's largest research and production base for explosion-proof motors, integrated with Wolong. Wolong also expanded its partnership with OLI, a global leader in vibration motors.
Acquired GE's commercial and industrial motors business, expanding Wolong's reach in the North American market across oil and gas, power generation, and chemical processing.
This combined global network integrates the engineering expertise of Brook Crompton, Laurence Scott, Morley, Schorch, Nanyang Explosion-proof, and GE Industrial Motors under a unified quality assurance system.
Ensuring cross-border compliance and certified explosion safety across the globe.
Operating in international markets requires compliance with local safety and efficiency regulations. Shaanxi Nanfang Motor and Wolong ensure that every OEM electric motor is manufactured, tested, and certified to meet the standards of its destination country. This minimizes shipping delays and technical alignment issues.
Nemko / ATEX
CSA Standard
CE Mark
CC Efficiency
SABS Approved
TESTSAFE
Engineered for high performance and reliability in demanding working environments.
Where explosive gases and corrosive vapors are present. Our flameproof motors drive high-capacity compressors and product transfer pumps safely, maintaining operational uptime while meeting ATEX Zone 1 and Zone 2 requirements.
Wolong's Morley brand flameproof motors are built to withstand high levels of dust and mechanical stress. They provide reliable drive power for underground conveyor systems, coal shearers, and ventilation fans.
Pumps in water treatment facilities run continuously. Upgrading to IE5 motors helps municipalities lower their electricity costs and reduce scope 2 emissions in water distribution and wastewater processing.
The transition from IE3/IE4 induction technology to IE5 smart permanent magnet drives.
The future of industrial driving technology lies in combining high mechanical efficiency with digital control systems. While standard induction motors are still widely used, the industry is moving toward Synchronous Reluctance (SynRM) and Permanent Magnet (PM) technologies. This design reduces rotor current losses, keeping the motor cooler and maintaining high efficiency even during partial-load operations.
Wolong is also integrating smart diagnostics into its drive systems. By installing IoT sensors and vibration monitors, operators can track real-time temperature, bearing wear, and insulation status. This enables predictive maintenance, helping to prevent unexpected downtime in critical operations.
Furthermore, aligning motor performance with Variable Frequency Drives (VFDs) allows the motor speed to adjust to real-time process demands. This integration provides additional energy savings, making it a key component of modern, automated factories.
Addressing common queries regarding IE5 efficiency standards, frame compatibility, and safety certifications.
Explore our wider range of flameproof, dust-proof, and variable frequency motors.
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