Custom Industrial Pump Motor Supplier & Factories

High-Efficiency High/Low Voltage, Explosion-Proof & Synchronous Motors Engineered for Heavy-Duty Industrial Fluid Systems Worldwide

Primary Industrial Motor Engineering Showcase

Explore our foundational range of premium custom industrial motors, designed to power heavy-duty pump platforms across extreme municipal, industrial, and hazardous environments.

Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors

Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors

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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

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Discount Y series high voltage three phase asynchronous motor

Discount Y series high voltage three phase asynchronous motor

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Discount T Series Large Size Three-phase Synchronous Motor

Discount T Series Large Size Three-phase Synchronous Motor

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Discount YR/YRQ series high voltage three phase asynchronous motor

Discount YR/YRQ series high voltage three phase asynchronous motor

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China YVFE3 Series Variable Frequency Drive Three-phase Asynchronous Motor

China YVFE3 Series Variable Frequency Drive Three-phase Asynchronous Motor

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OEM YRKK high efficiency 6KV or 10KV high voltage three-phase motor

OEM YRKK high efficiency 6KV or 10KV high voltage three-phase asynchronous motor

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High-Quality YE4 IE4 Three Phase Low Voltage Induction Motors

High-Quality YE4 IE4 Three Phase Low Voltage Induction Motors

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Xi'an Lite SIMO Motor Manufacturing Plant

LITESIMO: A Legacy of Industrial Power Engineering

Xi’an Lite SIMO Motor Co., Ltd. is a flagship enterprise in the Chinese mechanical and electrical industry, specializing in the design, engineering, and manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motors, and specialized explosion-proof motors. As a comprehensive manufacturer and services supplier, SIMO covers the entire industrial lifecycle—from motor design, precision mechanical machining, mold making, and advanced assembly to comprehensive performance testing.

SIMO continuously ranks at the top of China's electrical motor sector in production scale, product depth, and engineering excellence. By maintaining a forward-looking R&D roadmap and incorporating state-of-the-art diagnostic testing, SIMO supports critical global industries, ensuring fluid transportation and process pumps remain powered in demanding operational conditions.

60+ Years Manufacturing History
1,200+ Skilled Employees
260+ R&D Engineers & Experts
380M RMB Fixed Manufacturing Assets

Our Evolution & Industrial Heritage

A continuous timeline of technological breakthroughs, scaling manufacturing operations to match global engineering requirements.

1955
SIMO Motor is established under state guidance, establishing a core foundation for industrial motor development in China.
1957
Relocated to a dedicated manufacturing plant in Xi'an, significantly scaling heavy-machinery motor lines.
1966
Reorganized as Xi'an Motor Factory after successful industrial acquisitions and vertical integration.
1999
Successfully reformed from a state-owned factory into a highly flexible limited liability company (LLC) to address international trade markets.
2005
SIMO Motor Group is established, expanding to 14 specialized subsidiaries covering all aspects of rotary design and components.
2006
Moved to a newly built, high-tech manufacturing plant equipped with automated winding and vacuum pressure impregnation systems.
2009
Rebranded to Tech Full Simo Motor, optimizing global logistics and industrial export divisions.
2019 - Present
Ranked as a top-tier global motor supplier, continuously pioneering high-voltage efficiency and custom hazardous-area systems.

Infrastructure & Custom Engineering Capability

Today, our registered capital stands at 21.5 million RMB. Our primary operation runs three specialized manufacturing plants and one dedicated subsidiary, housing over 1,172 sets of high-precision manufacturing and testing systems. Out of our 1,200+ team members, we employ 260+ technical engineers, including 21 senior engineers and 15 state-level industry experts.

Our R&D spans 34 major motor series, covering more than 1,800 varieties and over 19,500 custom specifications. With a power spectrum ranging from 0.35 kW up to an ultra-heavy 25,000 kW, our industrial motors are built to power deep-well submersible pumps, large-scale horizontal axial-flow municipal pumps, and industrial chemical process pumps.

Whitepaper: Designing High-Reliability Industrial Pump Motors

An engineering guide on E-E-A-T principles, material selection, structural customization, and global deployment.

1. The Advantage of Custom-Engineered Chinese Factories

In heavy fluid management, standard off-the-shelf motors often fall short when paired with industrial pumps in demanding operating environments. Chinese manufacturing hubs, specifically led by factories like SIMO, provide significant advantages by integrating the raw supply chain with advanced precision engineering. The concentration of high-conductivity electrolytic copper mines, silicon steel rolling mills, and advanced alloy casting plants within domestic industrial zones ensures access to premium raw materials. Crucially, SIMO's capability to customize shaft extensions, thrust bearings (such as spherical roller thrust bearings for high axial loads), and mount profiles ensures that these motors drop directly into existing pump configurations without field modification, decreasing installation time and avoiding alignment-induced vibration issues.

2. Crucial Material Science & Structural Engineering

Industrial pump applications expose motors to continuous duty cycles, high humidity, variable speeds, and chemical exposure. To withstand these challenges, SIMO utilizes state-of-the-art material solutions:

  • Class F & H Insulation Systems: Wound structures utilize advanced copper wire insulated with high-thermal-resistance polyamide-imide coatings, processed through Vacuum Pressure Impregnation (VPI) using solventless epoxy resins. This eliminates air voids, enhancing moisture resistance and dielectric strength.
  • Optimized Core Laminations: Cold-rolled non-oriented silicon steel sheets (such as 50W270 or 35W300) are utilized to minimize eddy current losses and hysteretic heating, ensuring compliance with IE4 and IE5 efficiency standards.
  • Advanced Bearings: Heavy-duty drive-end and non-drive-end bearings (SKF or FAG) are matched to axial and radial forces, utilizing automated lubrication grease ports or oil-bath lubrication systems for high-power models.

3. Hazardous Location Compliance (Explosion Protection)

In petrochemical processing, refining, and mining operations, pump motors must manage volatile mixtures of gases, vapors, or combustible dusts. Our YBX3, YBX4, and YBX5 explosion-proof series feature flameproof enclosures designed to contain internal combustions without igniting the surrounding environment. Our YFB3 and YFB4 dust-ignition-proof motors prevent flammable dust accumulation on internal hot components, meeting stringent ATEX, IECEx, and China GB standards. The structural integrity of these enclosures is verified using hydrostatic pressure testing to guarantee fail-safe operation in Zone 1, Zone 2, Zone 21, and Zone 22 environments.

Macro-Industry Solutions & Application Scenarios

How SIMO motors are configured across various industrial sectors

Petrochemical & Oil Refining

Driving high-pressure pipeline injection pumps, crude oil transfer pumps, and process fluid circulating loops. Requires YBX5/YFB4 series explosion-proof enclosures, Class H insulation, and IP65 ingress protection to withstand corrosive coastal atmospheres and volatile hydrocarbon environments.

Mining & Metallurgy Processing

Configuring low-speed, high-torque TDMK and TM series synchronous motors to run slurry pumps, tailings disposal lines, and large mill-crusher pump circuits. Dynamic power factor correction decreases operational power consumption in heavy operations.

Municipal Water Infrastructure

Deploying YKS and YXKS high-voltage water-cooled motors to drive vertical axial-flow and double-suction centrifugal pumps. Water cooling (IC81W) maintains low winding temperatures in enclosed underground pumping stations, increasing motor lifespan.

Precision Manufacturing & Engineering Facility

Visualizing SIMO's industrial manufacturing capabilities, testing laboratories, and engineering floor.

SIMO Heavy Machining Facility
Precision Winding Inspection
VPI Chamber Processing
High Voltage Performance Testbed
Finished Heavy Synchronous Motors
Rotor Dynamic Balancing Test
VFD Drive Motor Testing
Large DC Motor Assembly Line

Certified Industrial Reliability & Quality Assurance

SIMO maintains compliance with key international systems, ensuring safe operation under strict global standards.

Our manufacturing workflow is certified under the ISO9001 Quality System Certification. In addition, our electric motors carry international marks including the European Union's CE, United States' UL, Russian Federation's GOST, and China's CCC. These quality standards permit our products' deployment across major oil extraction, mining operations, heavy agricultural systems, and aerospace platforms globally.

ISO9001 Certificate
CE Certificate Approval
UL Component Certificate
GOST-R Russian Certification
Hazardous Area Ex Certificate
ATEX Compliance File
Safety Standard Rating
ISO 14001 Environmental Standard
ISO 45001 Occupational Health
CCC Certificate China
Energy Saving Qualification
Mining Safety Certificate
Export Certificate Approval
Patented Technology Certificate
Advanced Engineering Honor
National Standard Compliance

Global Industry Trends & Technological Advancements

The industrial pump motor sector is shifting toward digital integration and higher efficiency standards. Driven by international efficiency regulations (such as IEC 60034-30-1), standard operations are migrating from legacy IE3 motors to ultra-premium IE4 and IE5 (Ultra-Premium Efficiency) standards. Implementing IE5 motors can reduce carbon emissions and operational costs by up to 15% in high-power applications like municipal wastewater treatment plants.

Simultaneously, the integration of AI-driven Predictive Maintenance Systems is changing how industrial operations manage motor health. By installing vibration, current, and temperature-tracking IoT sensors directly on the frame, engineers can identify stator insulation degradation, rotor imbalance, or bearing wear before catastrophic failures occur. This transition from reactive to predictive maintenance limits unplanned downtime in continuous municipal and chemical processing applications.

Global Procurement Demands & Project Integration

Procurement teams managing major infrastructure projects require reliable technical integration from motor factories. This includes comprehensive design support, detailing mechanical compatibility, cooling configurations (IC411, IC611, or IC81W), starting torque capabilities (high breakaway torque for positive displacement pumps), and electrical requirements (VFD compatibility to prevent harmonic heating). SIMO's engineering department supports EPC contractors by providing detailed 3D CAD files, certified torque-speed curves, and thermal rise calculations. This collaborative approach ensures that the customized pump motors integrate seamlessly with industrial pumps, valves, and control systems, expediting project deployment and ensuring compliance with regional standards.

Frequently Asked Questions (FAQ)

Technical answers to common questions asked by procurement officers and pump system engineers.

Q1: What are the primary differences between YXKK and YXKS high-voltage motors?
YXKK motors utilize an air-to-air heat exchanger cooling method (IC611), making them suitable for outdoor or dusty installations. YXKS motors utilize an air-to-water heat exchanger (IC81W), which offers superior heat dissipation in enclosed spaces with clean, cooling-water access. This allows for a more compact motor frame for the same power output.
Q2: How do SIMO's explosion-proof motors (YBX3, YBX4, YBX5) ensure safety in petrochemical zones?
These series feature flameproof enclosures designed to contain any internal spark or explosion without allowing the flame to propagate to the surrounding environment. Flame-path gaps and dimensions are strictly controlled and tested in compliance with ATEX and IECEx standards, suitable for gas groups IIA, IIB, and IIC, and temperature classes T1 to T4.
Q3: Why are synchronous motors like the TDMK series preferred for mine milling and slurry pump applications?
Synchronous motors operate at a constant speed regardless of load fluctuations, which is critical for consistent milling processes. Additionally, they provide power factor correction capabilities, allowing mine operators to improve the electrical efficiency of their entire power grid and reduce utility penalties.
Q4: How do variable-frequency drives (VFD) affect the design of YVFE3 and YVFE4 motor series?
VFD-driven motors operate over a wide speed range. Under low-speed operation, self-cooling fans become less effective, which is why YVFE series motors are equipped with independent, constant-speed cooling blowers (IC416) to prevent thermal overload. They also feature insulated non-drive-end bearings to protect against shaft currents caused by VFD high-frequency switching.
Q5: Can SIMO customize shaft extensions and flange designs for retrofitting old pump installations?
Yes. Our internal engineering department can design custom mechanical interfaces—including specialized shaft diameters, lengths, keyways, and customized flange orientations (such as vertical D-flange or C-face layouts)—to match legacy equipment dimensions, eliminating the need for complex adapter rings or base modifications.

Secondary Specialty Industrial Motor Showcase

Explore our secondary lineup of industrial motors, specializing in high-voltage asynchronous applications, hazardous-duty operations, dust-explosion environments, and variable-frequency DC drives.

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

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

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OEM YBX4 Series Three-phase Asynchronous Ex motors

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

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Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors

Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors

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China YFB4 series Dust explosion-proof motor

China YFB4 series Dust explosion-proof three-phase asynchronous motor

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China YFB3 series Dust explosion-proof motor

China YFB3 series Dust explosion-proof three-phase asynchronous motor

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China Z2 series DC motor

China Z2 series DC motor Suppliers

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China YJP series variable frequency speed regulating AC motor

China YJP series variable frequency speed regulating AC high efficiency motor

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OEM YBX3 Three-phase low-voltage explosion-proof motor

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

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