Exemplary OEM solutions built to survive volatile environments, optimized for efficiency and compliance.
Xi’an Lite SIMO Motor Co., Ltd is an electric company, main enterprise specializing in the manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motor, and explosion-proof motor in the Chinese mechanical industry. SIMO is a comprehensive manufacturing and service supplier of motor design, manufacturing, mechanical processing, mold making, assembling. The Company ranks TOP in China’s motor industry as to its scale of production, and has maintained fast-growing development trend for consecutive years.
The Company was founded in 1955 originally and now has more than 60 years history of motor manufacturing and selling. The registered capital is 21.5 million RMB. SIMO has 3 manufacturing factories, one subsidiary factory, with fixed assets 380 million RMB and more than 1172 sets of advanced equipment. There are more than 1200 employees, more than 260 technical engineers, including 21 senior engineers, 15 experts engineers.
SIMO Motor established and led by government initiation.
Relocation to the newly built industrial production facility in Xi'an city.
Name transitioned into Xi'an Motor Factory after systematic consolidation and asset integration.
Reformed successfully into a limited liability company from a state-owned industrial enterprise.
Establishment of SIMO Motor Group, commanding 14 dedicated subsidiaries.
Strategic relocation to our modern, high-tech, and advanced new manufacturing base.
Transitioned brand name to Tech Full Simo Motor to align with global high-tech marketing.
Continuing on the path to be one of the best global electric motor manufacturers through innovation and AI-driven precision.
With fixed assets valued at over 380 million RMB, SIMO operates 3 primary manufacturing centers and 1 subsidiary plant. Our technological capability is supported by over 1,172 sets of high-precision heavy machinery. This extensive tooling permits the micro-tolerances required for explosion-proof safety.
Covering 34 major series, 1,800 varieties, and 19,500 distinct specifications spanning 0.35kW to 25,000kW.
Featuring YX, YXKK, YXKS high-efficiency three-phase asynchronous motors. Designed with advanced thermal modeling and low-loss magnetic flux profiles to significantly reduce power consumption under load.
Engaged in heavy mechanical drive profiles, our YR, YRKK, YRKS wound rotor series are tailored for operations requiring high starting torque with low starting currents.
Commanding the safety space with the YBX3, YBX4, YBX5 series of explosion-proof three-phase asynchronous motors. Custom-welded heavy-duty flameproof enclosures built for petrochemical and coal dust threats.
Optimized for mining and processing environments, our T, TD, TK, TDMK series synchronous motors provide exceptional reactive power correction and continuous velocity torque curves.
Our Z2, Z4, and Z series DC motors are engineered for steel rolling mills, paper manufacturing, and heavy hoisting where infinite speed adjustment and constant torque ranges are vital.
YVFE3, YVFE4, and YVFE5 variable frequency speed regulation systems support continuous performance modulation under high and low voltage installations.
High-voltage explosion-proof (Ex-proof) motors represent the pinnacle of rotating electrical machine engineering. They operate at voltage configurations typically ranging from 3kV to 11kV, powering critical infrastructure in industries where ignitable mixtures of gases, vapors, or dust are consistently present. The primary challenge in designing these motors lies in containing any internal explosion, preventing heat propagation to the outer environment, and avoiding electrical sparking that could result in catastrophic failure.
China's industrial landscape has transitioned from high-volume assembly to deep technical design leadership. SIMO Motor, as an industry pioneer since 1955, exemplifies this shift. Our factory base leverages localized steel refinement ecosystems, providing access to silicon laminations with optimized permeability and low core losses.
Furthermore, our manufacturing process incorporates fully automated VPI (Vacuum Pressure Impregnation) winding treatment systems. By fully evacuating moisture and air pockets from the stator insulation matrix, we achieve exceptional resistance against electrical tracking and thermal fatigue. This localized raw material integration allows SIMO to offer highly competitive pricing structures without compromising on international standards of quality.
"The reliability of an explosion-proof motor is determined by its weakest thermal path. Using class F and class H insulation ratings, along with rigorous structural finite element analysis (FEA), Chinese manufacturing centers are now setting international benchmarks for high-voltage thermal longevity."
HV explosion-proof motors are not stand-alone components; they are critical nodes in industrial automation networks. Here is how SIMO integrates with macro-level challenges:
The next decade of motor engineering is defined by efficiency upgrades and digital intelligence. The industry is rapidly adopting the IE4 and IE5 efficiency standards (represented by our YE4 and YE5 motor series). This reduces global carbon footprints by lowering energy losses up to 30% compared to legacy installations.
Furthermore, modern high-voltage motors are increasingly integrated with thermal, vibration, and magnetic flux sensors. This real-time telemetry allows predictive analytics to predict bearing wear and winding deterioration before a physical failure occurs.
| Series Class | Enclosure Class | Voltage Ranges | Thermal Insulation | Primary Industrial Sector |
|---|---|---|---|---|
| YBX3 / YBX4 / YBX5 | Flameproof (Ex d) | 380V - 10,000V | Class F / H | Chemical Processing & Petrochemical |
| YFB4 Series | Dust Protection (Ex t) | 380V - 1140V | Class F | Grain Milling, Coal Handling & Woodworking |
| YRKK Series | Slip-Ring / Wound Rotor | 6,000V - 10,000V | Class F | Mining Crushers, Mills & Steel Works |
| YKK / YXKK | Squirrel Cage IP54 / IP55 | 6,000V - 10,000V | Class F | Large Water Pumps, Fans & Compressors |
Our production line conforms to ISO9001 Quality System Certification, EU "CE", US "UL", and Russian "GOST" standards.
















Crucial information compiled by our Senior Engineering team regarding safety, certification, and customization parameters.
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