Explore our custom high-voltage systems, AC asynchronous motors, and highly reliable DC drive components designed for extreme environments.
Founded on a heritage of deep engineering and manufacturing excellence, Xi’an Lite Simo Motor Co., Ltd stands as a premier enterprise in China's mechanical industry. We specialize in the design, engineering, and manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motors, and highly specialized explosion-proof electric motors.
As a comprehensive manufacturing and service supplier, Simo's operational integration encompasses electrical and mechanical design, tooling design, mold making, precision mechanical processing, structural assembly, and international logistics. Today, the company ranks at the pinnacle of China’s motor manufacturing industry in terms of production scale and technology-driven development.
"Simo Motor is not just a supplier; we are strategic engineering partners. Our integration of Factory 4.0 standards with heavy machinery engineering translates to a level of efficiency and durability that global industries require for modern green transitions."
Our manufacturing infrastructure is designed to deliver reliability, precision, and efficiency for critical industrial applications globally.
From state-led innovation to a leading global brand, trace Simo’s continuous growth and technological milestones.
SIMO Motor was established and led by the government to initiate structural electromechanical manufacturing in China.
Relocated to the newly built heavy industrial manufacturing plant in the historic industrial city of Xi'an.
Renamed to "Xi'an Motor Factory" after a series of strategic state-led acquisitions and operational integration.
Reformed into a modern limited liability company, introducing agile market-driven management systems.
SIMO Motor Group established, expanding operations with 14 specialized engineering subsidiaries.
Moved to high-tech, advanced plant facilities featuring automated assembly lines and digital test benches.
Rebranded as Tech Full Simo Motor, aligning corporate strategy with international standards and global markets.
Solidifying our position as a premier global motor manufacturer, championing high-efficiency green energy initiatives (IE4/IE5).
With 34 major series, more than 1,800 varieties, and over 19,500 individual specifications, Simo Motors caters to every industrial parameter requirement.
| Motor Series Class | Common Types / Models | Power Output Range (kW) | Primary Industrial Applications |
|---|---|---|---|
| High Voltage High Efficiency AC Motors | YX, YXKK, YXKS Series | 0.35 kW – 25,000 kW | Power plants, large-scale pumps, mechanical fans, compressors |
| Wound Rotor High Voltage Motors | YR, YRKK, YRKS Series | Up to 22,000 kW | Heavy-load starting conditions, steel rolling mills, high-inertia crushing |
| Low Voltage High Efficiency Motors | YE3, YE4, YE5 Series | 0.35 kW – 1,000 kW | Water conservancy, manufacturing lines, HVAC systems |
| Variable Frequency & Variable Speed Motors | YVFE3, YVFE4, YVFE5 Series | 0.55 kW – 15,000 kW | Metallurgy, chemical process control, precision automated machinery |
| Explosion-Proof Induction Motors | YBX3, YBX4, YBX5 Series | 0.18 kW – 12,000 kW | Petroleum refining, gas pipelines, hazardous chemical processing |
| Synchronous Motors & Generators | T, TD, TK, TDMK, TFW Series | 350 kW – 25,000 kW | Mining mills, air separation equipment, large power generators |
| Industrial DC Motors | Z2, Z4, Z Series | 0.55 kW – 3,000 kW | Metal extrusion, paper mill rollers, marine propulsion systems |
How global economic currents, eco-design regulations, and manufacturing intelligence are transforming motor procurement strategy.
Energy costs constitute over 95% of an industrial motor's lifetime financial footprint. Transitioning to YE4 and YE5 ultra-premium efficiency models drastically reduces operating expenditure, delivering ROI within short periods.
Simo's adoption of Factory 4.0 technologies incorporates AI-driven quality validation, smart material sorting, and precision robotic winding. This achieves shorter lead times and exceptional structural integrity for high-voltage stators.
With an extensive inventory of high-grade electromagnetic steel sheets, oxygen-free copper, and Class H insulating polymers, Simo guarantees seamless supply continuity regardless of geopolitical or logistical bottlenecks.
Different industries require unique structural designs. Discover how Simo Motors are adapted to specific industrial demands.
Mining facilities demand high starting torque, robust dust seals, and explosion protection. Simo’s TDMK series AC synchronous motors and YBK3 flameproof series are engineered to withstand extreme vibrations and heavy abrasive dust. These motors power massive ball mills, crushers, and ventilation fans deep in underground coal operations, meeting rigorous global mining safety regulations.
Processing refineries and cross-country gas pipelines operate in volatile atmospheres. Safety is paramount. Our YBX3, YBX4, and YBX5 explosion-proof low/high-voltage motors feature specialized flameproof enclosures and advanced thermal monitoring to ensure sparking components cannot cause ignition, adhering to ATEX and IECEx principles.
Water treatment plants and municipal drainage installations require constant, energy-efficient pumping. Simo’s YXKK and YXKS high-voltage three-phase asynchronous motors feature advanced cooling jackets (air-to-air and air-to-water) to ensure 24/7 reliability. When paired with variable-frequency drive systems, they deliver optimal control and reduce mechanical stress on pipe networks.
Steel rolling mills require precise speed regulation under varying, rapid torque fluctuations. Simo’s Z series DC motors and YR wound rotor AC motors offer the high slip capabilities and custom control circuitry required for metal forming, extrusion plants, and heavy overhead industrial cranes.
Take a look inside Simo’s dynamic production processes, precision stator winders, and heavy-rotor balancing systems.
Quality, safety, and reliability are core pillars of the Simo manufacturing philosophy. Our motors conform to international standard requirements.
Every motor leaving Simo's test bays has passed comprehensive evaluations under variable loads. We strictly operate in compliance with ISO9001 Quality System Certification, EU "CE", US "UL", and Russian "GOST" safety norms.
These certifications ensure that whether you are installing a high-voltage pump motor in Germany, a DC mill drive in North America, or an explosion-proof fan motor in Russia, Simo products operate safely within local statutory frameworks.
















Answers to common technical queries regarding installation, efficiency standards, custom engineering, and motor operation.
These represent distinct efficiency classes matching IEC design standards. YE3 corresponds to IE3 (Premium Efficiency), YE4 corresponds to IE4 (Super Premium), and YE5 represents IE5 (Ultra-Premium). Transitioning from YE3 to YE5 reduces electrical losses by approximately 30-40%, providing significant operational savings in continuous-duty applications.
We use Class F/H resin insulation systems and Vacuum Pressure Impregnation (VPI) technologies. Stator windings undergo multiple stress tests to eliminate air voids, offering high dielectric strength and excellent resistance to moisture and thermal cycling.
Yes. Our YVFE3, YVFE4, and YVFE5 series are designed specifically for VFD operation. They feature insulated non-drive end bearings to prevent shaft currents and auxiliary cooling fans to maintain cooling performance at lower operational speeds.
To provide an accurate design, our engineering team requires: Rated Power (kW), Rated Voltage (e.g., 6kV or 10kV), Operating Speed (RPM), Ingress Protection rating (IP54/IP55), Cooling Method (IC411, IC611, etc.), load torque characteristics, and any specific environmental limits (altitude, temperature, corrosive agents).
Our YBX series and YBK3 mining lines comply with GB3836 standards and match ATEX/IECEx international criteria. They are designed for Zone 1 and Zone 2 hazardous gas atmospheres, as well as combustible dust environments (Zone 21 & 22).
Synchronous designs, like our TDMK and TK series, allow for power factor correction across industrial grids. They operate at a constant speed regardless of load variations, offering high efficiency in large-scale, continuous applications like mine milling and heavy gas compression.
Explore our variable frequency, flameproof, and high-voltage synchronous product categories engineered for challenging operations.