Engineered for high performance, efficiency, and robustness across oil & gas, mining, marine, and industrial utilities.
Shaanxi Nanfang Motor Technology Co., Ltd. is the premier authorized distributor of Wolong. Founded in 1984, Wolong Electric Drive Group Co., Ltd. successfully listed on the Shanghai Stock Exchange in 2002 (code SH600580). With over 30 years of specialized manufacturing, research, and technical deployment, Wolong operates 3 global manufacturing bases, 39 advanced factories, and 3 world-class R&D hubs across the globe.
By integrating industrial craftsmanship with high-end power electronics, Wolong delivers cutting-edge motor control systems and general purpose AC motors to international conglomerates. This robust network ensures that every client receives optimized design capabilities, high-capacity custom engineering, and localized sales networks that conform to global E-E-A-T manufacturing standards.
Custom and general purpose configurations designed to minimize downtime, maximize performance, and meet extreme safety codes.
Comprehensive hazardous area certificates including Ex d, Ex de, Ex eb, and Ex ec topologies. Engineered to handle zone-based safety regulations in global chemical, gas, and refining projects.
Designed to comply with IEC 60034-30-1 and NEMA premium standards. Advanced permanent magnet synchronous motors (PMSM) guarantee massive carbon emission reductions and lower TCO.
Covering low, medium, and high-voltage three-phase asynchronous motors, wound rotors, and custom synchronous drives to ensure complete coverage for multi-sector industrial utilities.
Wolong has systematically acquired and integrated legendary global motor brands to construct a top-tier design architecture.
One of the three major European motor manufacturers. Houses premium underground mining systems and high-specification propulsion.
Over a century of technology leadership. Famous for the robust "W" and "10" series low and medium voltage asynchronous motors.
Established in 1882 in Germany. Provides heavy-duty, customized drive systems for oil, gas, chemical, and test stations.
Morley provides heavy underground mining equipment. Laurence Scott specializes in low starting current motors for nuclear plants.
Joined Wolong in 2018. Strengthens heavy-industry engineering (material processing, utilities) with premium US market layouts.
Global leader in vibration motors (MVE) and Ex vibration sensors, defining premium standard mechanical bulk processing.
China's largest research and production base for explosion-proof machinery, driving military and nuclear-grade safety systems.
How our component-level technologies deliver superior lifetime performance under relentless heavy-duty operations.
The rotor configuration utilizes a highly optimized squirrel cage design. Cast aluminum rotors are processed via high-speed centrifugal casting or automated die-casting techniques, forcing molten pure aluminum into the rotor core slots. This process forms a unified block incorporating both the rotor bars and the integrated cooling end rings.
For heavy megawatt configurations, premium copper bar rotors are utilized, backed by automated induction welding. High-speed motors incorporate specialized retaining ring designs to counter high centrifugal loads, securing exceptional rotor dynamics and eliminating slot deviation.
The stator coils are fabricated using high-dielectric polyester film combined with glass-cloth reinforced mica tape. Wolong utilizes low-powder and medium-powder mica tapes with high-density mica content to guarantee exceptional insulation performance.
The complete stator assembly undergoes the Vacuum Pressure Impregnation (VPI) system, followed by automated curing ovens. The VPI insulation system eliminates air voids, yielding superior moisture resistance, structural integrity, high thermal conductivity, and the capacity to withstand regular voltage surges from Variable Frequency Drives (VFD).
Our motor frames are optimized using advanced digital multi-physics simulation platforms, assessing electromagnetic fields, mechanical stresses, thermal gradients, and ventilation fluids.
Molded from high-strength cast iron or custom structural steel, the frame architecture features excessive structural redundancy. The optimized cooling fin distribution increases thermal dissipation surface area while maintaining high natural frequency isolation margins. This protects the core assembly from resonance-induced stresses and high-torque mechanical shocks.
The low-noise ventilation system integrates an aerodynamic fan hood body, wind guides, safety protection screens, and specialized acoustic dampening panels. Its lightweight and compact form factor significantly dampens vibrations.
By integrating side-inlet air dynamics, the system prevents rear flow obstructions, reducing turbulence and power loss along the air path. Integrated sound-dampening composites absorb high-frequency wind noise. Classified at IP22 safety rating, the design completely prevents accidental contact with the rotating fan blades.
Operating under stringent ISO 9001 and high-end automotive testing frameworks to guarantee product reliability.
A comprehensive analysis of global energy dynamics, carbon initiatives, and modern motor technologies.
Industrial electric motor systems account for approximately 70% of total electricity consumed by heavy industrial plants. As energy prices fluctuate and carbon tariffs (such as the EU's Carbon Border Adjustment Mechanism) take effect, global engineering firms are prioritizing efficiency optimization.
The transition from IE3 (Premium Efficiency) to IE4 (Super-Premium) and IE5 (Ultra-Premium) represents more than just electrical upgrades; it involves advanced steel lamination sheets, optimized slot fill factors, and the deployment of Permanent Magnet Synchronous Motors (PMSMs) driven by Variable Frequency Drives. Wolong's WEPM series represents the leading edge of PMSM technology, maintaining high torque densities at reduced temperatures.
By eliminating rotor copper losses, PMSM systems reduce overall power consumption by up to 15% under variable load curves compared to traditional induction motors, offering rapid amortization of capital expenses.
Modern procurement models evaluate the Total Cost of Ownership (TCO) over a standard 20-year operational lifecycle. Initial purchase costs typically represent only 2% to 3% of a motor's lifecycle cost, while electricity consumption accounts for over 95%.
International buyers prioritize suppliers capable of delivering:
General-purpose and heavy-duty AC motors are the core drivers of modern infrastructure:
Wolong products meet international safety, quality, and environmental regulations across all continents.
Securing international compliance is essential for smooth global project execution. Wolong maintains a comprehensive certification portfolio to simplify regional approvals:
Nemko ATEX
CSA Standard
CE Mark
China Compulsory
SABS (South Africa)
Nemko Ex
TestSafe Mining
Explosion Proof
Leading the next generation of industrial motion through digitalization and sustainable engineering.
Integrating vibration sensors and thermal trackers directly into the motor housing. Provides live telemetry to cloud platforms, helping prevent catastrophic failures.
Redesigning lamination geometries to reduce rare-earth material content while maintaining performance. Promotes sustainable copper sourcing and low-carbon manufacturing.
Collaborating across R&D hubs in China, Europe, and Japan to establish IE6 performance levels. Focuses on advanced electromagnetic configurations and high-speed bearings.
Expert insights on installation, selection, and specifications for industrial projects.
High-voltage, flameproof, and high-starting-torque asynchronous motors for specialized applications.
NANFANG
