CE Certification Low Voltage Industrial Motors Factory & Factories

Driving global industry efficiency with highly reliable, certified low-voltage electric motor systems. Fully customized solutions under leading global standards.

Premium Low-Voltage & Explosion-Proof Motor Portfolio

Explore our primary selection of certified industrial motors engineered for high-performance fan systems, heavy industrial conveyors, and extreme environment automation.

WOLONG YBF series flameproof motor
CE Certification WOLONG Nanyang ATB brand YBF series fans high voltage flameproof three-phase asynchronous motor Manufacturers, Supplier
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Wolong Nanyang YBX5 series low voltage motor
CE Certification Wolong Nanyang YBX5 series low voltage ultra-high efficiency explosion-proof three-phase asynchronous motor Factory, Companies
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China Wolong Nanyang WE3 series motor
China Wolong Nanyang WE3 series low voltage and high efficiency three-phase asynchronous AC motor Manufacturer, Factories
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China WOLONG Nanyang ATB brand YZYKK series motor
China WOLONG Nanyang ATB brand YZYKK series high voltage positive pressure shell type three-phase asynchronous motor Manufacturer, Factory
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WOLONG Nanyang ATB brand YBXKK motor
CE Certification WOLONG Nanyang ATB brand YBXKK High-Voltage High-Efficiency Explosion-Proof Electric Motor Manufacturers, Suppliers
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WOLONG Nanyang ATB brand YZYKS series motor
China WOLONG Nanyang ATB brand YZYKS series high voltage positive pressure shell type three-phase asynchronous motor Supplier, Exporters
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WOLONG Nanyang ATB brand TBVF series motor
CE Certification WOLONG Nanyang ATB brand TBVF series China three-phase permanent magnet Ex synchronous vsd mine motor Manufacturer, Exporter
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WOLONG Nanyang ATB brand YBS series motor
High-Quality WOLONG Nanyang ATB brand YBS series conveyors Flameproof 3 phase asynchronous induction motor Supplier, Factories
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Shaanxi Nanfang Motor Technology Co., Ltd

Shaanxi Nanfang Motor Technology Co., Ltd is the authorized distributor of Wolong. Wolong Electric Drive Group Co., Ltd was founded in 1984 and successfully listed on the Shanghai Stock Exchange in 2002 (code SH600580). Over the past three decades, Wolong has expanded its footprint globally, housing 3 core manufacturing bases, 39 manufacturing plants, and 3 state-of-the-art R&D centers worldwide.

Focused intensely on motor manufacture, advanced drive architectures, and control systems, Wolong integrates global brand resources. This consolidates Wolong's position as a premier developer in global R&D, process validation, manufacturing efficiency, and localized sales channels.

Industrial Capability Highlights

  • Global Delivery: Supply and compliance capability spanning multiple industrial nodes.
  • R&D Integration: Collaborative engineering platforms across Europe, China, and Japan.
  • Quality Control: Stringent quality audits aligned to ISO 9001 and international marine societies.
100+
Production Lines
58+
Countries Reached
32+
National Patents
200+
Mega Projects Managed

Industrial Power Solutions & Safety Compliance

Meeting the stringent expectations of international procurement directories, engineering firms, and high-risk operational specifications.

ATEX/IECEx/EAC Certified

We provide a diverse portfolio of explosion-proof certificates tailored specifically to your localized compliance directives and regional safety requirements.

High-Efficient & Energy Saving

IE3, IE4, and advanced IE5 efficiency options are available. Permanent magnet designs offer compact frames and decreased electrical consumption.

Diversified Product Lines

A product range covering low-voltage and high-voltage applications, customized to perform in harsh industrial environments and hazardous locations.

Our Global Integration & Engineering Heritage

Integrating centuries of engineering innovation from the world's most prominent industrial motor brands to build an robust, globally integrated supply system.

The Strategic Consolidation of Industrial Excellence

Accumulating extensive assets and manufacturing experience, Wolong has acquired several prominent overseas motor companies to integrate technological insights and design methodologies:

  • Austrian ATB Group: Acquired in 2011, this integration brought the expertise of ATB, Morley (a leading brand in the underground coal mining sector), and Laurence Scott (known for equipment with low starting currents and nuclear/naval generation units).
  • Brook Crompton Motors: With a century of history in motor technology and design, Brook Crompton is a pioneer in energy-efficient solutions, contributing the "W" and "10" series to our product lines.
  • Schorch Electric Motor: Founded in 1882, Schorch sets high-quality standards in drive systems for oil & gas, chemical processing, water management, and heavy metallurgical industries.
  • OLI Vibration Motors: Since joining forces in 1999, OLI has expanded our capabilities in structural vibration engineering and specialized industrial processing.
  • GE Industrial Motors (2018): The addition of GE's commercial and industrial motor division brought robust support for heavy industries, including materials handling and chemical processing.
Wolong Brand Heritage IntegrationMap

R&D and Technical Advantages

R&D hubs in China, Europe, and Japan collaborate via the Central Research Institute in Shanghai. This structural integration drives development of motor architectures that meet global requirements.

Unified Brand Portfolio

We support domestic markets through Nanyang Explosion-proof, while deploying century-old international brands like Laurence Scott, Schorch, Morley, and Brook Crompton globally.

Explosion-Proof Certification

Our explosion-proof motor series maintain certified compliance across international standards bodies, including ATEX, IECEx, CU-TR (EAC), UL, and regional coal-mining certifications.

Engineering Anatomy of Our Low Voltage Motors

Designed using multiphysics digital simulation platforms to ensure mechanical durability, thermal stability, and low acoustic signatures.

Motor Rotor Manufacturing

Precision-Engineered Rotor Design

Our rotors employ a squirrel cage design, utilizing cast aluminum rotors produced via centrifugal casting or die-casting techniques. This technique integrates rotor bars and end rings into a single-piece construction, optimizing torque characteristics. For higher capacity configurations, copper bar rotors are used, secured with end ring welding and protective rings for high-speed operation.

Motor Stator Winding

VPI Process Insulated Stators

Stator coils are crafted using polyester film and reinforced glass cloth, wrapped in high-mica content tapes. Following the VPI (Vacuum Pressure Impregnation) process, the coils are cured to provide electrical insulation, mechanical strength, moisture resistance, and thermal stability in demanding environments.

Industrial Motor Frame

High-Strength Structural Frames

Motor frames are designed using multiphysics fluid and structural simulation platforms. Cast from high-strength iron (or fabricated steel), these frames feature structural redundancy for thermal dissipation and vibration isolation under high mechanical shock loads.

Low Noise Fan Hood System

Low-Noise Fan Hood Ventilation

The ventilation system integrates an air guide cylinder, protective window, and silencer plate in a lightweight, compact structure. The side-entry air inlet minimizes the impact of rear obstructions on airflow. Sound-absorbing lining materials reduce operational noise, while an IP22 rating prevents contact with the fan blades.

Compliance Standards & Certificates

Nemko/Atex Certification

Nemko/Atex

CSA Certification

CSA

CE Certificate

CE

CC Certification

CCC

SABS Certification

SABS

TESTSAFE Certification

TESTSAFE

Comprehensive Regulatory Compliance

Our commitment to a global marketing strategy is backed by a suite of product certifications that facilitate entry into regional markets:

  • ISO 9001 Ex Standard: Our manufacturing facilities maintain ISO 9001 quality management systems, providing consistent production control and audit trails required for international trading channels.
  • NEMA Standards (North America): We test low-voltage configurations for mechanical and electrical compliance, including efficiency, insulation resistance, start current, torque, and vibration. Products are certified under UL (Underwriters Laboratories) and CSA (Canadian Standards Association) guidelines.
  • IECEx & ATEX Standards (Europe & Global): For high-safety areas and explosion-proof motors, our equipment meets ATEX (Directive 2014/34/EU) and IECEx requirements, enabling compliance for petrochemical, chemical, and gas processing operations in the EU and globally.
  • TESTSAFE Standard (Australia): As a prominent certification body, TESTSAFE approval allows our mining and explosion-proof motor designs to meet Australian regulatory requirements for underground coal mining and hazardous zone operations.
  • SABS Standard (South Africa): Ensures compliance with local industrial directives, streamlining integration into public utilities and mining projects throughout the African continent.

Industrial White Paper: High-Efficiency Low Voltage Motors in Modern Electrification

1. The Crucial Role of CE Certification in Industrial Environments

CE Certification represents a legal declaration of conformity for products placed on the market within the European Economic Area (EEA). For low-voltage industrial motors, compliance is governed by the Low Voltage Directive (LVD) 2014/35/EU and the Electromagnetic Compatibility (EMC) Directive 2014/30/EU. Under these directives, electric motors must operate safely under declared parameters without posing risks to personnel or surrounding systems.

Compliance requires comprehensive testing of electrical insulation, thermal limits, fault handling, and mechanical protection ratings (IP ratings). By adhering to these standards, our factories ensure that each three-phase asynchronous induction motor meets safety, efficiency, and reliability criteria before leaving the assembly line.

Key Takeaway: CE certification represents more than just a regulatory label. For plant managers, it serves as verification of design integrity, ensuring predictable operation and long service life in demanding environments.

2. Supply Chain Advantages of Modern Chinese Factories

Our centralized manufacturing bases leverage localized engineering clusters to balance cost efficiency with technical capability:

  • Integrated Component Sourcing: Proximity to steel rolling facilities, copper wire manufacturers, and casting foundries reduces logistics costs and material lead times.
  • Advanced Automation: The integration of robotic stator winding systems, automated VPI chambers, and computer-controlled rotor balancing rigs ensures consistent manufacturing quality across production runs.
  • Global Logistics Connections: Our close proximity to major shipping hubs allows for efficient delivery of heavy industrial motors to international destinations, minimizing transport costs and shipping delays.

3. Global Procurement Trends: The Shift Toward IE4 & IE5 Efficiency

Industrial motors account for a significant portion of global industrial electricity consumption. Consequently, engineering and procurement teams prioritize energy-efficient designs to reduce operational costs and meet corporate sustainability goals:

Our permanent magnet synchronous motors (PMSM) and frequency-controlled AC motors are designed to achieve IE4 and IE5 efficiency levels. By reducing internal winding resistance and rotor slip losses, these designs lower energy usage, reduce operating temperatures, and extend bearing service life.

4. Localized Support & Compliance

Deploying heavy machinery requires localized support systems to ensure proper installation and maintenance. Through our network of authorized service partners, we provide installation support, alignment verification, vibration monitoring, and warranty services globally. This structure ensures that technical assistance is available to minimize downtime and maintain operational continuity.

Target Industrial Application Fields

Our motors are engineered to operate in challenging environments, from corrosive marine atmospheres to dust-heavy underground mining applications.

Petrochemical & Refining

We supply ATEX and IECEx certified explosion-proof motors (such as the YBX3 and YBX5 series) designed for gas groups IIA, IIB, and IIC, driving pumps, compressors, and blowers in hazardous atmospheres.

Mining & Material Handling

Featuring heavy-duty structures, our mining-grade motors (like the Morley series) are engineered to withstand high vibration levels, dust exposure, and moisture in coal shearers and longwall conveyors.

Marine & Offshore

Our YQ series low-voltage marine motors carry DNV, Lloyd's Register, or ABS type approvals, utilizing corrosion-resistant coatings to withstand offshore conditions.

Industrial Motor FAQ & Purchasing Guidance

What are the key requirements for CE certified low voltage industrial motors? +
CE marking indicates that industrial motors comply with the European Union's Low Voltage Directive (LVD 2014/35/EU), EMC Directive (2014/30/EU), and RoHS Directive. The design must prevent electrical hazards, limit temperature rise under load, and minimize electromagnetic interference. Manufacturers must maintain a technical file containing design documentation, type-testing records, and EU Declarations of Conformity.
What is the difference between IE3, IE4, and IE5 motor efficiency classes? +
These classes denote the international efficiency standard (IEC 60034-30-1). IE3 represents premium efficiency, IE4 represents super-premium efficiency, and IE5 represents ultra-premium efficiency. Higher classes require reduced internal losses (stator I²R loss, rotor slip loss, windage, and core losses), which are typically achieved through permanent magnet designs or optimized rotor laminations.
How do VSD and VFD systems affect motor insulation? +
Variable Frequency Drives (VFD/VSD) generate high-frequency voltage spikes (dI/dt) that can stress motor windings. To prevent insulation degradation and partial discharge, our motors utilize class F or H insulation systems with Vacuum Pressure Impregnation (VPI) and corona-resistant copper wire, ensuring reliable operation when driven by inverters.
What certifications are required for explosion-proof applications? +
For global projects, ATEX (Europe) and IECEx (International) are the primary certifications for hazardous areas. For North America, UL and CSA approvals are required, while EAC (CU-TR) covers the Eurasian Economic Union. These certificates verify that the motor enclosure can contain an internal explosion and will not exceed maximum temperature ratings under fault conditions.
What advantages do cast iron frames offer over aluminum frames in heavy industries? +
Cast iron frames offer superior structural rigidity, vibration absorption, and corrosion resistance compared to aluminum. This makes them suitable for high-vibration applications like mining conveyors, chemical pumps, and metallurgical equipment where mechanical stress is common.

High-Voltage & Specialized Industry Motors

Explore our high-voltage and specialized electric motors designed for mining shearers, maritime vessels, and large-scale industrial fan applications.

OEM Wolong YBX3 series low voltage motor
OEM Wolong Nanyang YBX3 series low voltage high efficiency explosion-proof AC three-phase asynchronous motor Exporters, Company
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China WEPM frequency control motor
China WEPM Frequency Control Permanent Magnet Synchronous Motor Manufacturer, Manufacturers
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WOLONG YBC series motor
China WOLONG Nanyang ATB brand YBC series Coal shearer cutting motor Factories, Company
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Wolong Nanyang ATB brand YKS series motor
OEM Wolong NanyangATB brand YKS series high voltage three-phase AC motor Manufacturers, Supplier
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Wolong Nanyang ATB brand Y YX series motor
OEM Wolong Nanyang ATB brand Y YX series high voltage three-phase AC motor Supplier, Companies
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Wolong ATB brand Y3 series motor
OEM Wolong ATB brand Y3 series high voltage three-phase AC motor (Frame size 355 ~ 560) Exporter, Company
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WOLONG Nanyang ATB brand YB3 series motor
China WOLONG Nanyang ATB brand YB3 series (compact design) high voltage and high-efficiency explosion proof three phase asynchronous motor Supplier, Company
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YQ Series marine electric motor
High-Quality YQ Series-Low voltage Marine electric motor-3 phase- With DNV Type Approval certificate Manufacturer, Exporters
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