China High Efficiency Electric Motor Manufacturer & Industrial Solutions

Over 68 Years of Engineering Excellence: Powering Global Energy Transition with IE4/IE5 Ultra-Premium Asynchronous Motors, High-Voltage Ex-Proof Systems, and Robust Heavy-Duty DC Technology.

Product Catalog - Group A

High-Performance Motors & Control Solutions

Explore our top-tier industrial product line, engineered to meet rigorous IEC, NEMA, and GB standards for outstanding electrical efficiency and operational reliability.

Custom Z series medium size DC motor Manufacturer, Suppliers

Custom Z series medium size DC motor Manufacturer, Suppliers

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Custom High voltage soft start state cabinet Manufacturer, Suppliers

Custom High voltage soft start state cabinet Manufacturer, Suppliers

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OEM YBX4 Series Three-phase Asynchronous Ex motors used in hazardous area Company, electric

OEM YBX4 Series Three-phase Asynchronous Ex motors used in hazardous area Company, electric

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OEM YBX3 Three-phase low-voltage high-efficiency explosion-proof motor Factory, electric

OEM YBX3 Three-phase low-voltage high-efficiency explosion-proof motor Factory, electric

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Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors Suppliers, Factories

Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors Suppliers, Factories

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OEM Z4 series DC motor Manufacturers, Factories

OEM Z4 series DC motor Manufacturers, Factories

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China YFB4 series Dust explosion-proof three-phase asynchronous motor Suppliers, Factories

China YFB4 series Dust explosion-proof three-phase asynchronous motor Suppliers, Factories

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High-Quality YE4 IE4 Three Phase Low Voltage Induction Motors Suppliers, industrial

High-Quality YE4 IE4 Three Phase Low Voltage Induction Motors Suppliers, industrial

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Xi'an Lite SIMO Motor Manufacturing plant facility

Driving Global Industrial Decarbonization with High-Efficiency Electric Motors

Electric motor systems constitute over 53% of global electricity consumption, climbing to nearly 70% within core industrial manufacturing environments. In an era shaped by stringent MEPS (Minimum Energy Performance Standards), the transition from legacy motor topologies to IE4 (Super Premium Efficiency) and IE5 (Ultra Premium Efficiency) standards is no longer just a choice—it is a critical imperative for sustainable global growth.

As a leading Chinese manufacturer, Xi'an Lite SIMO Motor Co., Ltd. (LITESIMO) bridges the gap between advanced electromagnetic engineering and cost-competitive industrial application. By implementing cutting-edge rotor structural design, premium low-loss copper windings, and optimized slot topologies, we provide high-efficiency solutions that significantly reduce your lifecycle ownership costs and carbon footprint.

"According to the International Energy Agency (IEA), upgrading to premium and ultra-premium efficiency motor systems can yield energy savings of up to 20% to 30% across major industrial applications."

1955
Established (68+ Years History)
1200+
Highly Skilled Employees
260+
R&D Engineers & Experts
25MW
Maximum Output Power Capacity
Our Heritage

A Legacy of Industrial Innovation: The SIMO History

From state-owned foundations to an international motor manufacturing group, our history reflects a continuous drive towards excellence.

1955

SIMO Motor is established under national planning, laying the foundation for modern Chinese rotating machinery design.

1966

Restructured and expanded into Xi'an Motor Factory, merging various key facilities to boost output scale.

1999

Reformed into a highly dynamic, limited liability enterprise from a fully state-owned entity, paving the way for international trade.

2005

SIMO Motor Group is founded, consolidating 14 specialized subsidiaries into a unified industrial manufacturing giant.

2006

Relocated to a newly constructed, state-of-the-art production base in Xi'an's high-tech industrial zone, featuring high-precision tooling.

2009

Officially renamed to Tech Full Simo Motor, aligning corporate strategy with international export standards and advanced technology R&D.

2019+

Continuous focus on IE4/IE5 standards, intelligent drive control automation, and serving global EPC engineering giants.

Present

Currently running 3 modern manufacturing facilities, holding a fixed asset base of 380 million RMB, and operating 1,172 sets of high-precision equipment.

Global Advantages

Why Source High Efficiency Motors from China Factories?

Understanding the raw material, supply chain, and scale advantages that make Chinese factories the global epicenter of motor manufacturing.

Unrivaled Supply Chain Integration

Our proximity to world-class copper wire drawing operations, high-grade silicon steel suppliers (such as Baosteel), and precise bearing casting plants ensures minimal lead times and optimized material costs.

Rare-Earth Element Abundance

China controls over 70% of global rare-earth mining and refining capacity. This gives our factory stable, cost-effective access to Neodymium Iron Boron (NdFeB) magnets, which are critical for high-torque PM synchronous motors.

Comprehensive International Standards Compliance

We perform rigorous testing to guarantee full alignment with international MEPS standards, satisfying NEMA Premium, IEC standard ratings, and various European directives without compromise.

Key Development Trends in the Industrial Motor Industry

The industrial landscape is undergoing several rapid technological shifts. Companies looking to minimize energy costs must align their procurement with these five fundamental industry patterns:

  1. The IE5 Ultra-Premium Transition: While IE3 remains standard in some regions, forward-thinking operators are rapidly switching to IE4 and IE5 motors (like our YE5 series) to drastically slash lifecycle operation costs in continuous 24/7 processes.
  2. Widespread VFD Integration: Running electric motors Direct-on-Line (DOL) can lead to severe energy waste. Variable frequency speed regulation (such as the YJP series) allows motors to scale speed according to load profile, cutting pump and fan energy costs by up to 50%.
  3. Hazardous Area Security (Ex-Proof): As chemical and petrochemical processing scales worldwide, there is an increasing demand for ATEX and IECEx certified explosion-proof (Ex d) motors like the YBX3, YBX4, and YBX5 series. These systems prevent gas and dust ignition in highly volatile environments.
  4. High-Voltage Operations: Heavy industries (mining, steel mills, municipal water treatment) require large high-voltage motors (YXKK, YKS, YRKK) to minimize localized cable sizing and current-dependent heat losses across power transmission setups.
  5. Smart Condition Monitoring: Modern plants are embedding vibration, temperature, and current sensors directly onto the motor frame to support predictive maintenance pipelines, preventing costly unplanned production downtime.

Technical Specification Matrix: SIMO Motor Range

Our expansive product portfolio spans low-voltage, high-voltage, explosion-proof, synchronous, and DC motor designs tailored for diverse industrial needs:

Motor Series Standard Category Power Range (kW) Voltage Class Primary Applications
YE3 / YE4 / YE5 Standard Low Voltage (IE3/IE4/IE5) 0.75 - 1000 kW 380V, 400V, 690V Pumps, Fans, Compressors, Conveyors
YBX3 / YBX4 / YBX5 Explosion-Proof (ATEX / IECEx) 0.55 - 2000 kW 380V, 660V, 6kV, 10kV Petrochemical, Coal Mines, Gas Storage
YX / YXKK / YXKS High Efficiency High Voltage (HV) 220 - 25000 kW 3kV, 6kV, 10kV Heavy Water Pumps, Iron Ore Mills
YR / YRKK / YRKS Wound Rotor / Slip Ring Motors 160 - 20000 kW 6kV, 10kV Crushers, Ball Mills, Rolling Mills
Z2 / Z4 / Z Series Direct Current (DC) Motors 0.55 - 2000 kW 110V - 1000V Metal Rolling, Extruders, Cable Machinery
T / TD / TK / TDMK Large Three-Phase Synchronous 200 - 25000 kW 6kV, 10kV Large Reciprocating Compressors, Fan Drives
Applications

Tailored Solutions for Mission-Critical Sectors

We design systems that are optimized for specific operating environments to ensure long-term durability and efficiency.

Petrochemical & Refinery Operations

Volatile atmospheres demand reliable explosion protection. Our YBX3, YBX4, and YBX5 Series Asynchronous Ex Motors are enclosed in flameproof casings designed to withstand internal explosions, protecting your offshore platforms and onshore refineries.

Metallurgy & Heavy Rolling Mills

Extremely high starting torque, cyclical shock loading, and dusty atmospheres are standard in steel fabrication. Our heavy-duty Z4 and Z series DC motors, along with YRKK slip ring AC motors, deliver precise speed control and massive overload capabilities.

Water Supply & Drainage Infrastructure

Running multi-megawatt pumps requires stable high-voltage performance. SIMO's YKS and Y2 series compact AC motors run cool, feature optimized dual-bearing systems, and minimize power losses across public water distribution infrastructure.

Inside SIMO

Advanced Plant Infrastructure & Production Flow

A look inside our 1200-employee facility in Xi'an, housing high-precision fabrication machinery, automated CNC winding equipment, and testing labs.

SIMO factory floor machining processing center
Electric motor winding shop area
VPI vacuum pressure impregnation system container
Heavy motor assembly inspection area
High voltage rotor dynamic balancing testing
Advanced motor testing control desk station
Finished motor stock awaiting delivery distribution
SIMO technical support testing validation center

Meeting the Demands of Global Procurement Teams & EPC Contractors

Global procurement specialists face multiple challenges, including supply chain bottlenecks, compatibility issues with local grid systems, and complex certification processes. SIMO Motor simplifies this with dedicated engineering support and international standards compliance.

Whether you are procuring custom high-voltage soft-start cabinets, modifying a standard Z-series DC motor frame, or importing explosion-proof motors for hazardous areas, our team of 260 technical engineers helps you verify mounting configurations, electrical parameter compatibility, and load profiles.

Our quality control program covers every stage of production, from raw steel selection to final dynamic balancing and full-load testing. Our vacuum pressure impregnation (VPI) class F insulation system ensures excellent moisture, dust, and chemical resistance, extending motor life in harsh industrial settings.

SIMO electrical motor test bench area setup
Trust and Safety

International Certifications & Conformity

We hold certifications to meet the strict regulatory requirements of global industrial markets, ensuring safe and reliable operation.

SIMO Certificate Quality Systems Approval
SIMO EU CE Motor Conformity Mark Certificate
SIMO US UL Certification Authority Stamp Document
SIMO Russia GOST Certification Document
SIMO Explosion-Proof Safe System License Certificate
SIMO ISO 9001 System Registration Document
SIMO Environmental Management System Certificate
SIMO Occupational Health Certificate
SIMO Energy Saving Motor Certification Seal
SIMO ATEX Flameproof Motor Compliance Certificate
SIMO High Voltage Motor Quality System Stamp
SIMO CCC Certification Seal
Knowledge Base

Industrial Electric Motors FAQ

Get answers to common technical, installation, and procurement questions from our engineering team.

What are the key technical differences between IE3, IE4, and IE5 motor efficiency ratings?

According to the IEC 60034-30-1 standard, each efficiency level reduces energy losses by about 15% to 20% compared to the previous class. IE4 represents "Super Premium" efficiency, and IE5 stands for "Ultra Premium". To hit IE5 requirements, we optimize slot geometry, use high-quality silicon steel laminations, and apply permanent magnet rotor options when necessary.

How does SIMO ensure explosion protection in hazardous environments?

Our YBX3, YBX4, and YBX5 explosion-proof motor families are built with flameproof enclosures (Ex d). The casings are pressure-tested to withstand internal gas or dust explosions without propagating flames to the surrounding air, meeting ATEX and IECEx specifications.

When should DC motors (like Z4 or Z series) be chosen over AC induction motors?

While AC motors driven by VFDs are now common, DC motors are still preferred for applications requiring continuous high torque at low speeds, high starting torques, or simple speed adjustment without introducing harmonic distortion to the power grid, such as in metal mills and extrusion equipment.

What are the key cooling configurations for high-voltage industrial motors?

We offer IC411 (totally enclosed fan cooled), IC611 (air-to-air heat exchanger), and IC81W (water-cooled) systems. Water cooling (e.g., YKS series) provides high heat dissipation efficiency and quiet operation, making it ideal for compact installations.

Product Catalog - Group B

Heavy-Duty & Custom Industrial Motors

Select from our heavy-duty synchronous systems, custom high-voltage AC units, and high-efficiency variable frequency motors.

Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors Manufacturers, Factory

Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors Manufacturers, Factory

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Discount T Series Large Size Three-phase Synchronous Motor Suppliers, industrial

Discount T Series Large Size Three-phase Synchronous Motor Suppliers, industrial

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Custom Z series large DC motor Company, Factories

Custom Z series large DC motor Company, Factories

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China Z2 series DC motor Suppliers, Company

China Z2 series DC motor Suppliers, Company

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High-Quality YKS series high voltage three-phase asynchronous motor Companies, electric

High-Quality YKS series high voltage three-phase asynchronous motor Companies, electric

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China Y2 series compact structure high voltage AC motor Manufacturers, Factory

China Y2 series compact structure high voltage AC motor Manufacturers, Factory

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OEM YKS 6kV 10kV series High Voltage three-phase induction motor Manufacturers, electric

OEM YKS 6kV 10kV series High Voltage three-phase induction motor Manufacturers, electric

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China YJP series variable frequency speed regulating AC high efficiency motor Manufacturers, Suppliers

China YJP series variable frequency speed regulating AC high efficiency motor Manufacturers, Suppliers

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