High-Quality Moteur Electrique Company & Factories

Decades of Engineering Leadership, Heavy-Duty Performance, and Global Industrial Motor Manufacturing Standards.

Premium Moteur Electrique Showroom — Part I

Explore our specialized selection of high-voltage asynchronous, DC, and explosion-proof motors built to global compliance standards.

High-Quality YKS series high voltage three-phase asynchronous motor

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

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

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Custom Z series large DC motor

Custom Z series large DC motor Company, Factories

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China YBK3 Flameproof motor

China YBK3 Flameproof motor for underground coal mines Supplier, Factory

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Discount YR/YRQ series high voltage three phase asynchronous motor

Discount YR/YRQ series high voltage three phase asynchronous motor Manufacturer, Suppliers

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OEM YBX4 Series Three-phase Asynchronous Ex motor

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

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Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motor

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

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China YJP series variable frequency speed regulating AC high efficiency motor

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

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LITESIMO Company Profile

Xi’an Lite SIMO Motor Co., Ltd stands as a towering pillar in the electric machinery sector, widely recognized as a premier manufacturer specializing in large and medium-sized, high and low voltage AC/DC motors, synchronous motors, and explosion-proof motors. In the Chinese mechanical industry, SIMO represents the highest echelon of integrated R&D, manufacturing, precision machining, mold design, and systemic assembly services.

Leveraging sophisticated engineering practices developed over more than six decades, SIMO ranks among the top players in China's motor production index. Our operation scales are built upon cutting-edge manufacturing plants designed to yield reliable, highly efficient moteurs électriques that serve critical infrastructure, heavy industries, and modern automation platforms worldwide.

SIMO Motor Manufacturing Facility

Industrial Scale & Infrastructure

From engineering blueprints to massive industrial deployment, our facilities are equipped to handle complex international requirements.

SIMO boasts a robust financial foundation with a registered capital of 21.5 million RMB. Our production matrix operates through three core manufacturing factories and one dedicated subsidiary. Spanning vast facilities supported by fixed assets worth 380 million RMB, we house more than 1,172 sets of advanced industrial equipment designed for high-precision machining, vacuum pressure impregnation (VPI), and complete load testing.

1200+
Employees
260+
Technical Engineers
21
Senior Engineers
15
Expert Engineers

Over 60 Years of Historical Development

A chronological journey of Xi'an Lite SIMO Motor's transformation from a local pioneer into a global powerhouse.

1955
SIMO Motor is established and initially guided by the municipal government, pioneering early motor components manufacturing.
1957
Relocated to a dedicated manufacturing plant in Xi'an city, scaling up production of early-generation AC machinery.
1966
Re-organized and renamed as Xi'an Motor Factory following comprehensive state acquisitions and structural integration.
1999
Successfully reformed from a state-owned factory into a limited liability company, introducing agile market systems.
2005
SIMO Motor Group is established, encompassing 14 specialized subsidiaries across the mechanical industry supply chain.
2006
Moved to our high-tech, advanced industrial zone plant, introducing modern VPI lines, CNC lathe centers, and testing hubs.
2009
Officially transitioned to Tech Full Simo Motor, optimizing global business operations.
2019 - Present
Continuing our journey as one of the best motor manufacturers globally, serving the European, Asian, American, and Middle Eastern markets.

Whitepaper: Supply Chain Resiliency & Technical Advantages

Analyzing the strategic, economic, and engineering benefits of sourcing Moteurs Électriques from China's industrial hub.

1. China Supply Chain Dominance

China's manufacturing infrastructure offers unmatched advantages in sourcing high-grade silicon steel sheets, pure copper windings, and robust cast iron/steel frames. SIMO leverages local chemical clusters for Class F & H varnish insulation and advanced bearings, assuring highly competitive lead times and raw material cost control.

2. Procurement Requirements

Large-scale enterprises require precise parameters: high starting torque, low vibration signatures (conforming to ISO 10816), IP54/IP55/IP56 ingress protection levels, and thermal tolerance. SIMO addresses these by engineering customized terminal box locations, shaft extensions, and VFD-ready insulation systems.

3. Economic Cost vs. Quality

By implementing smart manufacturing processes, robotic welding, and automated wire winding, SIMO strikes an optimal balance. Our motors offer significant initial capital expenditure savings while delivering high operational efficiency (IE3, IE4, and IE5 Premium class), reducing long-term lifecycle costs.

4. Localization Support & Compliance

Global deployment requires alignment with localized voltage grids, regulatory safety certificates, and language-specific support documentation. SIMO ensures that whether the system is deployed in the European Union, the Americas, or Central Asia, our technical design matches regional expectations for mains frequency (50Hz vs 60Hz), safety tolerances, and mounting types (B3, B5, B35, V1).

5. Industry Development Trends

The global drive for carbon neutrality demands that motor manufacturers migrate to high-efficiency standards. Additionally, the integration of smart IoT sensors for temperature and vibration monitoring (predictive maintenance) is transforming the way plants operate. LITESIMO is continuously incorporating built-in PT100 thermal sensors, space heaters, and intelligent diagnostics modules into our motor designs.

Comprehensive Product Portfolio & Range

Our research & development covers all major categories of rotating electrical machinery, satisfying diverse engineering specifications.

The power scope of SIMO products ranges from 0.35 kW to 25,000 kW across 34 major series, including over 1,800 varieties and 19,500 distinct specifications. Here is a breakdown of our primary families:

High/Low Voltage AC Induction Motors

We supply premium three-phase asynchronous motors designed for continuous S1 duty cycle operation.

  • YX, YXKK, YXKS Series: High-efficiency, high-voltage three-phase asynchronous motors, engineered for heavy machinery like pumps, blowers, and large compressors.
  • YR, YRKK, YRKS Series: Wound-rotor high-voltage slip-ring motors, providing excellent starting torque under heavy loads.
  • YE3, YE4, YE5 Series: Super premium and ultra-premium efficiency low-voltage asynchronous motors, matching IE3, IE4, and IE5 efficiency classifications to reduce energy waste.
  • YVFE3, YVFE4, YVFE5 Series: Variable frequency and speed-regulating AC motors, optimized for operations requiring precise VFD control under variable load conditions.

Explosion-Proof & Specialized Machinery

Designed to withstand hostile environments, mining dusts, and explosive gas atmospheres.

  • YBX3, YBX4, YBX5 Series: High/low voltage explosion-proof three-phase asynchronous motors, optimized for hazardous chemical, petroleum, and petrochemical zones.
  • T, TD, TK, TDMK Series: Large synchronous motors specifically optimized for heavy-duty mine milling operations and reciprocating compressors.
  • Z2, Z4, and Z Series: Medium and large-sized DC motors, providing high reliability for steel rolling, extruders, and mine hoists.
  • TFW Series: Large-size synchronous brushless generators (350kW to 5,000kW) for power plants and industrial prime power.

Manufacturing Operations & Assembly

Our production floors adhere to lean-manufacturing guidelines, combining computerized machining centers with human engineering checks.

SIMO Assembly Floor 1
SIMO Assembly Floor 2
SIMO Assembly Floor 3
SIMO Assembly Floor 4
SIMO Assembly Floor 5
SIMO Assembly Floor 6
SIMO Assembly Floor 7
SIMO Assembly Floor 8

Global Certifications & Quality Compliance

LITESIMO passed ISO9001 Quality System Certification, EU "CE", US "UL", Russian "GOST", and other international criteria, confirming safety, reliability, and precision engineering.

Our electric motors are widely applied in electricity, coal, petroleum, mining, metallurgy, railway, transportation, chemical industry, agriculture, water conservation, aviation, navigation, and high-technology sectors across China and international markets.

ISO Certification
CE Certificate
UL Certificate
GOST Certificate
Simo Quality Certification
Simo Technical Patent
Simo Production Permit
Safety Certificate

Localized Application Scenarios & Case Studies

From underground mining systems to vast coastal pumping installations, SIMO motors are engineered for specific operating environmental parameters.

Underground Coal Mines

Operating environments deep underground feature methane gas and high levels of coal dust. SIMO's YBK3 explosion-proof motors are configured with certified flameproof structural joints, robust terminal box enclosures, and thermal overloads to ensure safe operation without risk of spark ignition.

Steel Mills & Metal Processing

High torque overloads, temperature swings, and magnetic dust define metal processing lines. SIMO's Z series DC motors and TDMK synchronous motors offer precise speed adjustments, high thermal insulation resistance (using superior mica varnishes), and the rugged mechanical frame structure needed to withstand intense cyclic load variations.

Water Conservation & Irrigation

Large scale pumps operating outdoors require weather protection and consistent operation. The YKS and YXKS high voltage motors utilize built-in air-to-water heat exchangers, assuring optimal cooling efficiency even under continuous summer operation, while the IP55 rating prevents moisture from compromising the windings.

Frequently Asked Questions — Buyer & Engineering Guide

Get answers to critical technical questions regarding selection, customization, and factory inspection standards.

What is the difference between YX, YKK, and YKS series motors?

The difference primarily lies in their structural design and cooling methods. YX series motors are standard high-efficiency three-phase asynchronous motors. YKK features a closed air-to-air cooling system with an integrated air cooler mounted on top of the stator frame. YKS features a water-jacketed air-to-water cooling system, which is ideal in locations where noise levels need to be minimized or where ambient air temperature is excessively high.

How does SIMO guarantee compliance with EU (CE) and US (UL) regulations?

SIMO maintains a comprehensive laboratory capable of evaluating creepage distances, electrical insulation properties, and voltage tolerance ranges. Our designs utilize materials (such as bearing components, copper windings, and wire varnishes) that are individually UL/CE certified. Every motor undergoes rigorous routine testing before exiting the production bay, including dielectric resistance tests, winding resistance, and no-load tests.

Can SIMO customize electric motors for VFD (Variable Frequency Drive) applications?

Yes. Standard motors can suffer from overheating or insulation breakdown due to voltage harmonics when operated via VFD. SIMO's YVFE3, YVFE4, and YVFE5 series are specially optimized with insulation structures that withstand dV/dt stresses, and are equipped with independent cooling fans that run at a constant speed, ensuring the motor remains cool even at low rotation speeds. We can also provide insulated non-drive end bearings to eliminate shaft currents.

What are the advantages of choosing a synchronous motor like the TDMK series?

Synchronous motors, particularly the TDMK series, are highly efficient for low-speed, high-power industrial equipment like mine ball mills. They offer power factor correction capabilities, which can improve the overall efficiency of an industrial facility's electrical grid. Their speed remains constant under changing load conditions, providing reliable mechanical output.

What is the standard warranty and post-purchase engineering service?

LITESIMO provides a comprehensive warranty coverage structure for all industrial motors, starting from the commissioning date. We offer dynamic engineering support, on-site diagnostics through regional service partners, and direct access to original spare parts (windings, shafts, bearings, and coolers) from our factory depot.

Premium Moteur Electrique Showroom — Part II

Explore our advanced energy-efficient and customized low-voltage electric motor selections.

China YVFE3 Series Variable Frequency Drive Motor

China YVFE3 Series Variable Frequency Drive Three-phase Asynchronous Motor Suppliers, Factories

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High-Quality YE4 IE4 Three Phase Low Voltage Induction Motor

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

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Custom TDMK series motor AC three phase synchronous motor

Custom TDMK series motor AC three phase synchronous motor specially for mine milling Supplier, Suppliers

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Custom Z series medium size DC motor

Custom Z series medium size DC motor Manufacturer, Suppliers

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OEM YKK High Voltage induction motor

OEM YKK 6kV 10kV series High Voltage three-phase induction motor Supplier, industrial

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China YFB4 series Dust explosion-proof motor

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

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OEM YBX3 Three-phase explosion-proof motor

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

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Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motor

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

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