Custom Standard Electric Motor Manufacturer & Companies

Precision-Engineered High/Low Voltage AC, DC, Synchronous & Explosion-Proof Motor Systems Supporting Global Industrial Decarbonization.

Global Industrial Motor Landscape & Efficiency Targets

In today's commercial and industrial framework, electric motor systems consume over 53% of global electricity output. As carbon-neutral directives tighten across North America, the European Union, and the Asia-Pacific regions, upgrading legacy machinery to ultra-efficient, custom-engineered drive systems has shifted from an operational preference to a regulatory mandate.

Traditional standard motor manufacturers frequently offer rigid design parameters, forcing engineers to modify mechanical interfaces or adjust electrical parameters via external drives. Modern industrial systems demand tailored electrical architectures. High-efficiency ratings (IE3, IE4, and the emerging IE5 standards) must coexist with precise shaft dimensions, specialized insulation, localized grid compatibility (varying voltage levels from 380V to 10kV), and harsh environmental tolerances (such as dust explosion-proof and ATEX/IECEx hazardous environment designations).

Modern Regulatory Alignment

Simo Motor products are structured to meet global compliance directives, including the US Energy Independence and Security Act (EISA), European Ecodesign Requirements (EU 2019/1781), and domestic GB18613 standards, securing optimized grid integration and continuous legal compliance across boundaries.

SIMO Heavy-Duty Motor Manufacturing Facility

Xi’an Lite SIMO Motor Co., Ltd.

A premier mechanical industry enterprise specializing in large/medium-sized high/low voltage AC/DC systems.

Xi’an Lite SIMO Motor Co., Ltd. is a leading electrical engineering manufacturer and main enterprise specializing in the design, fabrication, mechanical processing, mold fabrication, assembly, and service deployment of large and medium-sized high-voltage and low-voltage AC motors, DC motors, synchronous motor units, and safety-certified explosion-proof motors within the Chinese mechanical industry.

Simo ranks at the top of China's motor manufacturing sector regarding overall scale of production. The company continues to maintain a fast-growing, sustainable development trend, supported by advanced research, modernization projects, and robust supply chain networks.

21.5M
RMB Registered Capital
380M
RMB Fixed Assets
1,200+
Total Employees
260+
Technical Engineers

Strategic Enterprise Resources

Our expansive industrial ecosystem comprises 3 core manufacturing plants and 1 specialized subsidiary facility. Production lines are outfitted with over 1,172 sets of high-precision equipment, supporting advanced stator winding, vacuum pressure impregnation (VPI), automated mechanical rotor balancing, and computerized performance testing.

Our technical team includes 21 Senior Engineers and 15 Expert Engineers dedicated to structural modifications, high-frequency design optimization, thermal dissipation modeling, and custom rotor dynamics.

60+ Years of Manufacturing & Sales Excellence

1955
SIMO Motor established and led by government.
1957
Move to the new plant in Xi'an city.
1966
Change name into Xi'an Motor Factory after series acquiring and integrating.
1999
Reformed into limited company from state-owned factory.
2005
SIMO motor group established, with 14 subsidiaries.
2006
Moved to the high tech and advanced new plant.
2009
Change name into Tech Full Simo Motor.
2019 - Present
Still on the way to be one of the best motor manufacturers, optimizing global trade networks.

Multi-Scale Industrial Motor Specifications & Portfolio

Our product lines include 34 major series, over 1,800 varieties, and 19,500 distinct specifications.

Simo Motor manages a highly diverse product catalog designed to handle severe environments and complex mechanical demands. The output scale spans from 0.35 kW to 25,000 kW. Our engineering parameters accommodate low-voltage setups, high-voltage grids, variable frequency operations, dynamic load spikes, and critical flameproof requirements.

High Efficiency AC Motors

Includes the YX, YXKK, and YXKS series of high-efficiency, three-phase asynchronous motors, along with the high-voltage YE3, YE4, and YE5 lines. Designed to optimize power factor, minimize rotor-loss temperatures, and lower energy usage.

Wound Rotor & Slip-Ring Motors

Features the YR, YRKK, and YRKS high-voltage wound rotor series. Essential for applications requiring high starting torque under full loads or low starting currents, such as heavy-duty ball mills and ventilation systems.

Explosion-Proof & VFD Motors

Includes the YBX3, YBX4, YBX5 low/high-voltage explosion-proof series, the variable-frequency YVFE3, YVFE4, YVFE5 systems, and specialized YBBP lines. Engineered to prevent sparks in hazardous environments containing combustible dust or gas.

Synchronous Generators & Motors

Features T, TD, TK, and TDMK series synchronous motors alongside TFW series large-scale synchronous generators (350kW - 5000kW). Critical for continuous operations requiring precise speed maintenance under fluctuating voltage levels.

Medium & Large DC Motors

Classic reliability represented by the Z2, Z4, and Z series medium-sized DC motors. These designs deliver high-torque startup capabilities and fine speed control required for metallurgical rolling mills and heavy extrusion equipment.

Standardized Factory Images

Production Facility Plant Area 1 Production Facility Plant Area 2 Production Facility Plant Area 3

Macro-Industry Solutions & Localized Application Context

How customized standard motors drive critical processes in global infrastructure, chemical, and mining applications.

Power Generation & Utility Pumps

Large-scale thermal, hydro, and wind facilities rely on YKS and YKK high-voltage motors to drive auxiliary boilers, feed pumps, and draft fans. Our custom cooling configurations (including water-to-air IC81W and air-to-air IC611) maintain safe internal temperatures under continuous maximum output.

Heavy Duty Underground Mining

Underground coal mines present serious ignition hazards from volatile gases and coal dust. The YBK3 and YFB3 series are engineered with flameproof enclosures that contain internal explosions and prevent external combustion, complying with international safety standards.

Chemical Processing & Refineries

Corrosive atmospheres containing flammable gases require robust sealing and anti-corrosive coatings. The YBX3, YBX4, and YBBP series explosion-proof variable frequency motors are designed to operate reliably under constant exposure to chemical vapors.

Metallurgy & Steel Mills

Rolling mills and blast furnace blowers require motors capable of handling frequent overload cycles and rapid speed adjustments. Our Z series DC motors and TDMK synchronous systems deliver the high torque and speed precision required for complex steel production.

Municipal Water & Irrigation

Large-scale drainage and agricultural irrigation systems use high-power synchronous generators and induction motors (YKS series) to maintain reliable water flow across municipal utility networks.

Aviation & Test Rig Simulation

High-voltage variable speed motors are used in test chambers and wind tunnels to simulate complex aerodynamic forces, requiring precise frequency controls and strict mechanical balance.

Practical Case Study: Mine Milling Operations

In mine processing mills using heavy ball and rod mills, starting torque demands can exceed 250% of the nominal motor rating. Installing our custom TDMK three-phase synchronous motors allows mining operators to start mills under full loads while optimizing the facility's power factor, reducing utility penalties and line losses.

Global Certification Portfolio & Quality Assurance

Verified manufacturing processes compliant with international quality, safety, and environmental standards.

To support overseas projects, Simo Motor has completed rigorous quality audits and maintains compliance certificates across key international jurisdictions. Our motors meet the requirements of the ISO9001:2015 Quality Management System, the European Union's CE Safety Directive, the United States' UL certification, and the Eurasian Economic Union's GOST (EAC) certification.

Simo Quality Certification Document 1
Simo Quality Certification Document 2
Simo Quality Certification Document 3
Simo Quality Certification Document 4
Simo Quality Certification Document 5
Simo Quality Certification Document 6
Simo Quality Certification Document 7
Simo Quality Certification Document 8

Technological Roadmap: The Future of Smart Motor Design

Pioneering the next stage of smart industrial drives, predictive analytics, and super-efficiency standards.

IoT Integration & Sensor Arrays

Future Simo motor lines incorporate embedded temperature, vibration, and acoustic sensors. Connecting directly to cloud-based monitoring systems, these smart sensors provide the real-time operational data required for predictive maintenance strategies.

Next-Gen Insulation Materials

Researching Class H and higher insulation systems utilizing advanced polymer composites. These materials resist corona discharge and thermal degradation, improving motor lifespan under high-frequency VFD operations.

IE5 & Super Premium Efficiency

Developing permanent magnet-assisted synchronous reluctance motor (PMa-SynRM) designs to exceed IE5 energy efficiency requirements. This helps operators lower energy use and reduce their carbon footprint.

Technical FAQ: Industrial & Custom Standard Motors

Frequently asked engineering and procurement questions regarding Simo Motor systems.

1. What parameters can be customized for Simo high-voltage and low-voltage motors? +
We provide customization options for shaft dimensions, mounting configurations (foot, flange, or vertical), winding insulation class (Class F or H), specialized bearings for high-vibration applications, RTD temperature sensors, space heaters for moisture prevention, and paint finishes rated for highly corrosive environments.
2. How does Simo Motor ensure the safety compliance of its explosion-proof motor series? +
Our YBX3, YBX4, and YFB3 explosion-proof motors are designed to contain internal sparks and withstand combustion gas pressures. They are built and certified to meet CNAS, EU ATEX, and global IECEx standards, making them suitable for oil & gas installations, chemical refineries, and coal mining environments.
3. What cooling methods are supported by Simo Motor systems? +
We support standard cooling methods according to IC designations, including self-ventilation (IC411), forced motor-driven blowers (IC416) for low-speed VFD use, air-to-air heat exchangers (IC611), and water-to-air cooling systems (IC81W) for large high-voltage units.
4. What are the key advantages of slip-ring (wound rotor) motors compared to squirrel-cage designs? +
Our YR, YRKK, and YRKS series wound rotor motors allow insertion of external resistance into the rotor circuit. This design produces maximum starting torque with low inrush current, making it ideal for starting high-inertia loads like cement ball mills and crushers on weak power grids.
5. What testing procedures do motors undergo before dispatch? +
Every motor undergoes comprehensive testing in our factory, including stator winding resistance testing, insulation resistance evaluation, surge testing, no-load current measurement, noise and vibration checks, and dynamic balance verification of the rotor assembly.