Nanjing Oulu Electric — Your Trusted Partner in Industrial Automation & New Energy
Product Highlights
Oulu Electric has focused on industrial automation and new energy power generation for nearly 20 years, providing a full range of products and services from core components to system solutions. Our products have obtained CE, TUV, SGS, FCC and other international certifications, and are exported in volume to more than 50 countries and regions, widely used in oil fields, communication base stations, high-altitude non-electrified areas, industrial manufacturing and other complex scenarios.
Key Specifications
VFD Power Range: 0.4kW – 1400kW, covering 12 major product series
VFD Voltage Range: 220V – 1140V, compatible with global mainstream power grids
Servo Power Range: 50W – 250kW, servo motors certified with Class 1 energy efficiency
Wind Turbine Power Range: 100W – 100kW, both horizontal-axis and vertical-axis available
System Solutions: 8 major new energy power generation system solutions, with cumulative deliveries exceeding 200,000 units
Industry Applications: 10 major industries including machine tools, plastics, textiles, municipal, hoisting, petrochemical, metallurgy, etc.
Our Advantages
· Wide power range combined with industry-specific machines, covering both general and dedicated markets
· Technology sharing between industrial automation and new energy sectors, with bidirectional reuse of R&D results
· OEM private labeling and ODM design customization supported, meeting the needs of overseas brand owners
· Products operate in extreme environments such as 4,000–5,000m plateaus, deserts, and frigid regions, with proven long-term stability
· One-stop service capability from R&D and production to installation, commissioning, and O&M
1. Business Overview
The company's core business covers two major fields, sharing power electronics technology, drive control algorithms, and embedded software platforms, with bidirectional reuse of R&D results:
· Industrial Automation Drive & Control: VFDs, servo drives, servo motors, PLC modules
· New Energy Microgrid Power Generation: small & medium wind turbines, inverters, energy storage systems, off-grid/grid-tie solutions
2. Industrial Automation Products
(1) VFD Series
Featuring 12 major series including EV210B, EV260, EV280, EV380, EV510H, EV270, EV510A, EV510E, EV520, CM210, EV515A, and EV520-PV, covering general-purpose and industry-specific applications.
Power Range: 0.4kW – 1400kW
Voltage Level: 220V – 1140V
Overload Capacity (G-type): 150% for 60s / 180% for 3s
Overload Capacity (P-type): 120% for 60s / 150% for 3s
Core Features: synchronous/asynchronous motor 2-in-1 drive, AVR automatic voltage regulation, overvoltage/overcurrent stall prevention, fast current limiting, speed tracking restart
Industry-Specific Models: oil field dedicated (RS485 communication), photovoltaic water pumping dedicated, injection molding machine servo energy-saving, etc.
(2) Servo Systems
Servo Power: 50W – 250kW
Voltage Level: 24V – 480V
Energy Efficiency: servo motors certified with Class 1 energy efficiency
Product Series: MZ series servo drives, ZD60/ZE/ZF series servo motors
Typical Applications: industrial robots, custom automation, 3C manufacturing, lithium battery, machine tools, hoisting



3. New Energy Power Generation Products & Systems
(1) Core Products
Small & Medium Wind Turbines: 100W – 100kW, both horizontal-axis and vertical-axis
Off-Grid/Grid-Tie Inverters: supporting wind-solar hybrid, PV, and wind power inputs
Energy Storage Inverter / All-in-One Inverter-Charger: LiFePO4 energy storage, supporting multi-energy hybrid power supply
PV Controller / Hybrid Charge Controller: MPPT high-efficiency charging
Communication Base Station Integrated Control Cabinet: designed specifically for off-grid base station power supply
Residential Energy Storage / Stackable Battery Storage Cabinet: adapted to international household scenarios
(2) Eight System Solutions
· Wind-Solar Hybrid Street Light System — off-grid power for road lighting
· Wind-Solar Hybrid Distributed Generation System — distributed power for communities/factories
· Distributed Grid-Connected Wind Power System — grid-tie wind power integration
· Off-Grid Wind Power System — independent power for non-electrified areas
· Wind-Solar Hybrid Power Supply System — communication base stations / border outposts / pipeline valve rooms
· Solar PV Water Pumping System — agricultural irrigation, drinking water for humans and livestock
· One-Stop Grid-Connected PV Solution — commercial & industrial rooftop PV
· PV-Storage Integrated Solution — joint scheduling of energy storage + PV
Additionally, we provide customized solutions such as wind-solar-diesel-storage hybrid generation systems, PV-utility hybrid systems, and village-level off-grid energy storage stations in frigid regions, with cumulative supply exceeding 200,000 units.


4. Industry Customized Solutions (Focus: Oil Fields)
Specifically designed for oil field production: an integrated wind-solar-diesel-storage intelligent microgrid power supply system:
Compatible Load: 4kW hydraulic pumping unit
PV Modules: 550Wp
Wind Power: 10kW wind turbine
Energy Storage: LiFePO4 battery
Backup Power: diesel generator
Control Method: intelligent scheduling + remote monitoring (SCADA)
Power Guarantee: 24-hour uninterrupted off-grid power supply
Extreme Conditions: continuous power supply ≥ 30 hours in rainy and windless conditions
We also provide customized systems such as wind-solar-storage, wind-solar-diesel-storage, and wind-solar-diesel-utility-storage for communication base stations, coal mines and oil fields, forest monitoring, and agricultural irrigation.
5. OEM/ODM Customization Services
The company provides comprehensive customization services to meet the private labeling needs of overseas brand owners and distributors:
OEM (Private Label Manufacturing)
· Custom enclosure color
· Chassis silk-screen printing (brand logo)
· Custom packaging box logo
· External labeling with original technical specifications retained
ODM (Design Customization)
· Function customization (parameters/interfaces adjusted by application scenario)
· Software & hardware development (firmware, communication protocols, host computer software)
· System solution design (end-to-end solution from requirements to delivery)
6. R&D Capabilities
· Jiangsu Provincial Wind-Solar Hybrid Micro-Inverter Engineering Technology Research Center (Provincial)
· Nanjing High-Performance Servo Motor Engineering Technology Research Center (Municipal)
· Nanjing Engineering Research Center (Municipal)
· Jiangsu Provincial Postgraduate Workstation (Provincial)
· Nanjing Postdoctoral Innovation Practice Base (Municipal)
· Nanjing Industrial Design Center (Municipal)
· Enterprise Technology Center (Enterprise-level)
The R&D team consists of PhDs, Masters, and senior engineers, with R&D/production personnel accounting for over 50% of total employees. As of 2025, we hold more than 140 patents, software copyrights, and integrated circuit copyrights, covering core technologies such as permanent magnet brushless drive control, wind-solar hybrid micro-inverters, oil field dedicated VFD drive control, and microgrid energy management.
7. Production & Quality Management
With Phase I and Phase II standardized production bases totaling 50,000 m², fully implementing JIT lean production management.
Quality Control System
· Incoming Quality Control (IQC)
· In-process self-inspection + mutual inspection + dedicated inspection (IPQC)
· Rigorous finished product testing: high/low temperature aging, full-load aging, EMC electromagnetic compatibility, dust & mist testing
· Digital production traceability and precise control