Engineered for high reliability, optimized performance, and long service cycles across diverse industrial applications.
Xi’an Lite SIMO Motor Co., Ltd is a key mechanical manufacturing enterprise in China, specializing in large/medium-sized, high/low voltage AC motors, synchronous motors, high-efficiency DC motors, and explosion-proof motors.
SIMO is a comprehensive manufacturing and service supplier, integrating motor design, manufacturing, mechanical processing, mold development, and automated assembly. The company consistently ranks at the top of China's motor industry regarding production scale and has maintained a rapid development trajectory for decades.
From a state-owned facility to a leading global motor supplier—explore over six decades of innovation.
SIMO Motor was established under government leadership, creating a foundation for modern industrial machinery manufacturing in China.
Relocated to a new, expanded industrial facility in Xi'an city to meet growing domestic production demands.
Renamed to Xi'an Motor Factory following integration with several mechanical machining components and motor design entities.
Reformed from a state-owned factory into a modern limited liability company, introducing agile production methods and global business operations.
The SIMO Motor Group was officially established, incorporating 14 subsidiaries to build a comprehensive heavy industry ecosystem.
Moved production to a state-of-the-art, high-tech manufacturing plant featuring advanced VPI insulation, CNC machinery, and high-voltage test centers.
Transitioned corporate identity to Tech Full Simo Motor, aligning our strategic vision with international standards.
Continuing our path of technological leadership, developing smart IE4/IE5 ultra-premium efficiency, VFD-driven, and specialized mining motors.
Registered Capital (RMB)
Skilled Employees
Technical Engineers & Experts
Sets of Advanced Equipment
Industrial electric motors drive the global supply chain, accounting for over 45% of global electricity consumption.
With global industrial sectors pushing toward carbon-neutral operations, optimizing motor efficiency is critical. Upgrading from standard IE1 systems to IE4 or IE5 ultra-premium efficiency asynchronous motors reduces energy overhead and lowers operating temperatures, directly extending winding life and reducing maintenance cycles.
VFD systems allow induction motors to match speed and torque dynamically to system demands. In heavy-duty tasks like pump and fan operation, VFD speed regulation can cut energy consumption by up to 50%. SIMO's YVFE3 and YBBP series are designed with reinforced stator winding insulation systems to withstand high-frequency voltage spikes.
Mining operations require robust drive systems capable of sustaining high startup torques and handling abrasive particulate matter. Our TDMK synchronous motors are customized for mining ball mills, and flameproof/explosion-proof models like the YBX3/YFB3 series ensure safe, continuous operation in volatile mine atmospheres.
When procurement managers search for "discount induction motors suppliers," they face a critical balance between initial acquisition costs and the Total Cost of Ownership (TCO). In typical heavy industrial applications, the energy consumed by a motor over its operational lifespan accounts for over 95% of its cumulative cost, while the purchase price represents less than 3%. Selecting a low-efficiency motor to save on upfront costs often leads to higher long-term expenditure.
As a verified manufacturer, SIMO solves this dilemma by optimizing design and manufacturing processes at scale, providing discount-level pricing alongside high efficiency. By utilizing computer-aided design (CAD/ANSYS), high-grade cold-rolled silicon steel laminations, and premium copper windings, SIMO motors achieve excellent power density and efficiency ratings that comply with IEC (IE3, IE4, IE5) and NEMA standards.
Direct-on-line (DOL) starting of high-voltage asynchronous motors draws high starting currents, typically 6 to 8 times the rated current. This can cause voltage drops in the local supply network and mechanical stress on shafts, gears, and coupled loads. Deploying custom high-voltage soft-start state cabinets mitigates these issues by ramping up voltage gradually. This protects mechanical drivetrains, avoids utility peak-demand charges, and extends motor winding life.
SIMO's R&D encompasses 34 major series, 1,800 varieties, and over 19,500 individual specifications.
| Motor Series Type | Description | Power Range | Voltage Parameters | Primary Industry Application |
|---|---|---|---|---|
| YX / YXKK / YXKS | High-voltage, high-efficiency, three-phase asynchronous motors | 220 kW - 25,000 kW | 3 kV, 6 kV, 10 kV | Water supply pumps, industrial ventilation fans, heavy compressors |
| YR / YRKK / YRKS | Wound rotor slip ring high-voltage induction motors | 160 kW - 10,000 kW | 6 kV, 10 kV | Coal mills, rolling mills, heavy winches, high starting inertia applications |
| YE3 / YE4 / YE5 | Low-voltage three-phase high/ultra-premium efficiency motors | 0.75 kW - 375 kW | 380V, 400V, 415V, 660V | General pumps, fans, conveyers, factory production lines |
| YVFE3 / YVFE4 / YVFE5 | Variable frequency speed-regulating high/low voltage motors | 0.55 kW - 5,000 kW | 380V - 10,000V | Extruders, high-speed fans, steel mills, automated paper mills |
| YBX3 / YBX4 / YBX5 | Explosion-proof high/low voltage three-phase asynchronous motors | 0.75 kW - 3,150 kW | 380V, 660V, 1140V, 6kV, 10kV | Underground coal mining, petrochemicals, oil refineries, gas storage |
| T / TD / TK / TDMK | Large-size AC synchronous motors | 200 kW - 20,000 kW | 6 kV, 10 kV | Mine grinding mills, large piston compressors, low-speed fans |
| Z2 / Z4 / Z Series | Medium/large size industrial DC motors | 0.55 kW - 2,500 kW | 110V, 220V, 440V, custom | Metallurgical rolling mills, paper machinery, marine propulsion systems |
SIMO's design and manufacturing systems are certified to meet international quality, safety, and efficiency criteria.
Ensuring compliance with local standards is essential when deploying electrical machinery across international borders.
SIMO designs and manufactures motors to meet key regional electrical regulations. This allows international engineering, procurement, and construction (EPC) companies to integrate our machinery into their projects with minimal adjustment.
Industrial machinery operates in demanding environments, from high-humidity coastal facilities to dry desert installations. SIMO configures cooling systems, insulation, and protective enclosures to match specific site conditions:
For marine and high-humidity applications, we apply specialized anti-corrosion paint coatings, vacuum pressure impregnation (VPI) with moisture-resistant resins, and space heaters to prevent condensation when the motor is idle. For dry, desert climates, we offer custom air-to-air cooling options (IC611) with dust-filtration systems.
SIMO's forward-looking technology plan integrates smart diagnostic tools and ultra-premium materials.
Future drive systems are transitioning from reactive maintenance models to predictive ones. SIMO's next-generation motors feature optional integrated vibration transmitters, thermal RTDs in stator slots, and bearing chambers. These sensors interface with cloud-based diagnostic networks, monitoring machinery health in real-time.
Our engineering division is expanding the YE5 line by integrating Permanent Magnet Assisted Synchronous Reluctance (PMaSynRM) technologies. This design reduces rotor heat losses, helping users achieve IE5 efficiency levels without relying heavily on rare earth magnets.
VFD drives can induce electrical currents in motor shafts, which can discharge through standard bearings and cause pitting and premature wear. SIMO addresses this by offering insulated non-drive-end bearings and hybrid ceramic bearing options on VFD motors over 110 kW, protecting the drivetrain from electrical erosion.
Get answers to common technical, logistics, and compliance questions about high-voltage and industrial motors.
Explore specialized industrial equipment, high-voltage motors, explosion-proof units, and synchronous drives.
Our engineers are ready to assist with sizing, customization requirements, and system integration. Contact SIMO Motor for high-voltage, low-voltage, and specialized motor solutions.
Explore Our Product Catalog
Lite Simo
