CE Certified Most Efficient Electric Motor Solutions

Pioneering High-Efficiency and Explosion-Proof Industrial Motors Globally

Industrial Insight

Global Shift to Ultra-Efficient Electric Drive Systems

The global industrial landscape is undergoing an unprecedented transition towards high efficiency. With industrial electric motor drive systems consuming over 45% of global electricity, regional regulators are pushing for strict compliance mandates. The transition from IE3 to IE4, and the emerging adoption of IE5 efficiency standards, are no longer optional but critical for enterprise decarbonization.

As a leading supplier authorized by Wolong Electric Drive Group Co., Ltd, we deliver certified high-efficiency and explosion-proof motors that exceed expectations. Meeting CE, NEMA, and IECEx certifications, our motors guarantee reliable compliance while slashing lifecycle energy expenditures, reducing carbon footprints in crucial sectors including petrochemicals, mining, power generation, and chemical process engineering.

Industrial Electric Motor Application Field
Corporate Overview

Shaanxi Nanfang Motor Technology Co., Ltd

Shaanxi Nanfang Motor Technology Co., Ltd is the authorized distributor of Wolong. Founded in 1984 and listed on the Shanghai Stock Exchange in 2002 (code SH600580), Wolong Electric Drive Group Co., Ltd has developed over 30+ years into a premier global player. With 3 production bases, 39 factories, and 3 global R&D centers, Wolong serves as an undisputed leader in R&D, advanced manufacturing, and strategic electrical drives.

100+
Production Lines
58+
Countries Served
32+
Core Patents
200+
Global Projects
Wolong Factory and Production Infrastructure
Strategic Growth

Century-Old Brands Integrated under Wolong

Through strategic international acquisitions, Wolong has unified pioneering global technologies, creating an unmatched motor manufacturing coalition.

2011

ATB Group & Schorch Integration

Wolong acquired 97.94% of the Austrian ATB Group, which includes Laurence Scott and Morley Motors. Laurence Scott is famous for nuclear-grade low-starting-current designs, and Morley boasts a 130-year legacy in tough underground mining equipment. Concurrently, Schorch motors (est. 1882) brought class-leading heavy-duty expertise in oil, gas, and metallurgy.

ATB Motor Group Factory
Brand Expansion

Brook Crompton Motors

Joining the group, Brook Crompton is a veteran within the electric motor sector, boasting over a century of technology and design leadership. Brook Crompton is the pioneer in energy-efficient motors, offering low, medium, and high voltage AC motors (Premium Brook Crompton "W" and "10" series) optimized for harsh and hazardous environments.

Brook Crompton Motor Stock
2015

CNE Nanyang Explosion Protection

Wolong Electric Nanyang Explosion Protection Group Co., Ltd (CNE) joined Wolong. As China's largest explosion-proof motor research and manufacturing base, CNE provides extensive low voltage, high voltage, and specialized flameproof motors widely utilized in coal, nuclear, military, and petrochemical fields.

Nanyang Explosion Proof Motor Base
2018

General Electric (GE) Partnership

GE's commercial and industrial electrical division integrated into the Wolong network, bringing decades of American industrial motor leadership. This merger enables heavy industries like water treatment, mining, and cement to benefit from the absolute peak of American engineering coupled with Wolong's global production scale.

GE Industrial Motor Manufacturing Site
Core Competencies

Why Wolong Motors Excel Globally

Through unified research facilities in China, Europe, and Japan, we supply world-leading technological advantages to global procurement operations.

ATEX/IECEx/EAC Certified

We provide full explosion-proof certifications (ATEX, IECEx, CU-TR/EAC, CSA, and SABS) optimized to comply with the most stringent regional hazardous environmental standards.

OLI brand vibration motors (MVE) and sensors also join the Wolong group to lead the global vibration motor market since 1999.

Premium Efficiency (IE4/IE5)

High-efficiency motors optimized for heavy machinery. Featuring advanced permanent magnet (PMSM) technologies and ultra-high efficiency induction motor systems that significantly reduce power loss.

Vast Global Brand Equity

Integrating Laurence Scott, Brook Crompton, Morley, Schorch, GE, and Nanyang CNE, we leverage the heritage of industry-specific engineering to solve complex site conditions.

Compliance and Trust

Worldwide Industrial Accreditations

Wolong adheres strictly to global electric motor performance and hazard protection standards. We design to surpass requirements for direct import and operations globally.

Nemko ATEX Certification Logo
Nemko / ATEX
CSA Safety Certification Logo
CSA
CE Mark Certification Logo
CE
CCC China Compulsory Certification Logo
CCC
SABS Certification Logo
SABS
TESTSAFE Certification Logo
TESTSAFE

Deconstructing Global Compliance Standards

ISO 9001 Standards: Wolong maintains ISO 9001 compliance, facilitating standard corporate governance and quality checks across every step of raw material selection, winding, insulation, and full load factory testing.

NEMA Standards: To verify compliance with NEMA mechanical performance specifications, Wolong conducts comprehensive efficiency tests, insulation resistance checks, starting current, torque, and vibration analyses. Low voltage motors are UL and CSA certified.

IECEx and ATEX Standards: Designed specifically for hazardous European (EU) and worldwide zones. These safety profiles guarantee optimal thermal margin limits and prevent external flame transmission in gas or combustible dust environments.

TESTSAFE Standard: Testsafe acts as the leading coal product certification body in the Southern Hemisphere. Obtaining this certification has streamlined the integration of Wolong's underground mining motors into Australia, establishing a robust global trust factor.

Product Anatomy

State-of-the-Art Material Engineering

Our electric motors are constructed from the ground up using superior-grade metals, innovative insulation layers, and precise structural simulations.

Rotor Engineering

Features squirrel cage designs utilizing cast aluminum via centrifugal or high-pressure die casting. This provides robust structural integrity and high starting torque. Larger high-voltage motors employ premium copper bars with precise end-ring welding for high-speed durability.

Stator Insulation

Constructed utilizing polyester film, glass cloth, and high-purity mica tape. Undergoes Vacuum Pressure Impregnation (VPI), ensuring stellar electrical performance, structural stiffness, and excellent moisture/thermal protection.

Casing Frame

Engineered using multi-physics structural and fluid simulation tools. Cast iron (or high-strength structural steel) provides mechanical redundancy, high-speed heat dissipation, and vibrational dampening to minimize temperature rise.

Acoustic Fan Hood

Includes an air guide cylinder, protective windows, and internal acoustic absorption plates. Side-inlet architecture reduces pressure losses, mitigates dynamic noise, and achieves an IP22/IP55 protective rating.

Production Gallery

Production and Quality Control Verification

Step inside our high-tech fabrication centers where advanced machinery processes raw components into heavy-duty industrial electric motors.

Production Detail 1
Production Detail 2
Production Detail 3
Production Detail 4

The Next-Gen Electric Motor Industry Development Trends

Industrial electric drives are experiencing a paradigm shift towards higher system efficiency, compact packaging, and advanced variable speed capabilities. Energy efficiency initiatives are tightening worldwide. In Europe, the Ecodesign Directive now mandates IE4 efficiency for motors between 75 kW and 200 kW, while the industry anticipates the implementation of IE5 standards for industrial pump and fan systems.

Furthermore, standard induction motors are increasingly replaced by Permanent Magnet Synchronous Motors (PMSMs) in applications requiring wide speed margins and high torque. The transition towards synchronous, PM, and brushless technologies allows plants to eliminate gearboxes, reduce operational friction losses, and lower lifecycle carbon emissions.

Global Procurement & Engineering Requirements

For procurement directors and project engineers, selecting an electric motor manufacturer goes far beyond simply matching horsepower and voltage. Modern sourcing focuses on three main pillars:

  • Regulatory Certifications: Sourcing teams require assurance that products feature authentic CE, UL, CSA, or ATEX/IECEx certifications to prevent customs issues and ensure plant safety compliance.
  • Total Cost of Ownership (TCO): Sourcing studies prove that capital purchase cost accounts for only 2% of a motor's lifecycle cost, while electricity consumption accounts for over 95%. Higher IE4/IE5 efficiency ratings directly translate to significant bottom-line savings over a 15-year operational lifespan.
  • Interoperability and Control: Compatibility with Variable Frequency Drives (VFD) is critical. Modern systems require winding designs that withstand harmonic voltage spikes without breaking down.

Macro-Level Solutions for Heavy Industry

Wolong provides tailored powertrain packages rather than isolated motors. For large-scale projects like deep-shaft coal mines, natural gas pipelines, and municipal water stations, our engineers deliver integrated packages that optimize operations:

Mining & Tunneling: Our flameproof motors, engineered alongside our Morley and ATB brands, handle the massive overloads and abrasive dust found in coal mines, slurry pumps, and conveyors.

Oil, Gas & Petrochemical: Utilizing high-voltage, explosion-proof, and positive pressure housing technology (like our TZYW series), we isolate electrical sparks from external explosive atmospheres, securing hazardous chemical processing plants.

Water & Marine Propulsion: Low vibration levels, specialized marine certifications, and high-efficiency designs ensure continuous operation for deep-well water pumps, water treatment plants, and cruise thrusters.

Localized Support & Compliance Protection

A major risk in industrial procurement is the lack of localized technical support. Shaanxi Nanfang Motor Technology Co., Ltd bridges this gap by acting as a direct engineering connection to Wolong's global network. We ensure that our buyers receive:

  • Comprehensive compliance documentation and test reports for rapid project approvals.
  • On-site engineering support during commissioning, alignment, and system integration.
  • Prompt access to spare parts (rotors, terminal boxes, certified bearings) across Europe, the Middle East, and Asia.

Future Technological Roadmap

Our research institutes are focused on driving the future of electric motor technology:

Smart Sensors & Predictive Maintenance: Integrating vibration sensors and temperature nodes directly into the stator core allows real-time diagnostics. Algorithms predict bearing failure weeks before it occurs, preventing unscheduled shutdowns.

Eco-Friendly Insulations: We are testing organic, resin-free stator insulations to ensure 100% recycling capability at the end of the motor's lifecycle.

Superconducting Motors: For heavy-duty industrial and aerospace applications, we are developing lightweight, high-temperature superconducting drive concepts to optimize power density.

FAQ

Industrial Electric Motor FAQs

Get answers to the most common questions regarding efficiency standards, hazardous environment compliance, and Wolong motor capabilities.

What is the difference between IE3, IE4, and IE5 efficiency levels?

These represent efficiency classes defined by the IEC 60034-30-1 standard. IE4 (Super Premium Efficiency) reduces power losses by approximately 15% compared to IE3 (Premium Efficiency). IE5 (Ultra-Premium Efficiency) reduces losses by an additional 20% compared to IE4, primarily achieved through Permanent Magnet Synchronous Motor (PMSM) technology.

How does a CE certification impact the procurement of electric motors?

CE certification proves that the motor complies with all relevant European Union directives, including the Low Voltage Directive (LVD), Electromagnetic Compatibility (EMC) Directive, and RoHS. It is mandatory for customs clearance and installation inside the European Economic Area.

Why are flameproof (Ex d) and increased safety (Ex e) designs critical in hazardous areas?

Flameproof (Ex d) motors feature robust casings designed to contain an internal explosion without allowing it to ignite the surrounding atmosphere. Increased safety (Ex e) motors utilize specialized components to prevent sparks, arcs, or excessive temperatures from occurring during normal operation, making them suitable for explosive gas zones.

What makes Wolong a leading global manufacturer?

With 39 manufacturing plants and historic brand acquisitions (ATB, Schorch, Morley, Laurence Scott, Brook Crompton, OLI, and GE Industrial Motors), Wolong integrates over a century of Western engineering heritage with large-scale, state-of-the-art production capabilities, delivering high-performance, cost-effective solutions.

Are Wolong motors compatible with variable frequency drives (VFD)?

Yes. Series like the YBBP, WEPM, and BPY-S30 are specifically designed for variable speed control. They feature reinforced insulation (VPI process) and insulated bearings to protect against harmonic currents and high-voltage spikes caused by VFD switching frequencies.