Success Stories
SUCCESS STORIES
Proven practices across multiple industries, demonstrating product strength with data and results
Data CentersLarge Data Center Cooling Upgrade
Leading Internet Company
35% energy savings, over $2M annual cost reduction
HVACCommercial Complex HVAC System
Commercial Real Estate Group
28% annual operating cost reduction
Industrial AutomationUpgrade the Drive System for Automotive Production Lines
Joint Venture Auto Manufacturer
22% efficiency gain, 60% fault reduction
New EnergyWind Turbine Pitch Motor Supply
Wind Turbine OEM
5000+ units with stable operation
Rail TransitMetro Ventilation EC Fan Project
City Metro Group
8 dB noise reduction, 40% energy savings
HVACPharmaceutical Clean Room HVAC System
Listed Pharmaceutical Company
GMP-compliant, 30% energy savings
Smart BuildingsBLDC Drive Solutions for Home Appliance OEMs
Leading Home Appliance Group
AC and washer fans now use BLDC drives, boosting energy ratings while reducing noise.
+1 grade
Appliance energy rating
-6 dB(A) approx.
Operating noise
1M+ units
Annual volume
Switching to the BLDC solution improved both energy efficiency and noise levels, while keeping volume deliveries on schedule. — Drive Platform Lead, Leading Home Appliance Group
Smart BuildingsEC Fan Cooling for Data Center Precision Air Conditioning
Cloud Service Provider
Backward-curved EC fans replace belt-driven units, reducing cooling energy consumption and extending maintenance intervals.
~30%
Cooling energy
2x longer
Maintenance interval
99.9%
Fan availability
After retrofitting the EC fans, hot spots in the hall dropped sharply. Our team no longer replaces belts and bearings as frequently. — Infrastructure O&M Manager, Cloud Service Provider
Smart BuildingsPM Drive Retrofit for Water Treatment Pump Stations
Municipal Water Utility
High-efficiency PM motors with VFD control reduce energy consumption per cubic meter and enhance stability.
~18%
Energy per cubic meter
Significantly reduced
Start/stop shock
About 3 years
Payback period
With PM motors and VFD control online, the station energy curve shifted downward and dispatch response became smoother. — Pump Station Supervisor, Municipal Water Utility
Smart BuildingsHVAC and Water System Integration for Commercial Buildings
Urban Complex Project
Integrated supply of motors, drives, and transformers shortens delivery times and meets system efficiency targets.
~60%
Provide interfaces
Approximately 45 days
Delivery time
Acceptance passed
System efficiency
A single supplier for motors, drives, and transformers streamlined interface coordination, enabling the project to go live on schedule. — M&E Project Manager, Urban Complex Project
ChemicalExplosion-proof Motors and Compressor Drives for Petrochemical Plants
Major Petrochemical Company
Flameproof, high-power two-pole compressor motors deliver stable performance for continuous plant operation.
3 overhaul intervals
Continuous cycles
-40% YoY approx.
Unplanned shutdowns
About 80%
Spare Parts Commonality
Flameproof and compressor motors underwent multiple overhaul cycles while maintaining low unplanned shutdown rates. — Equipment Engineer, Major Petrochemical Company
Coal and Coal ChemicalsLocalized Underground Mining Motor Supply
Coal Mining Group
Locally sourced mining-duty motors deployed underground in volume, offering improved cost efficiency and serviceability.
~70%
Spare lead time
~25%
Unit purchase cost
500+
Units underground
With localized mining motors underground, spare procurement time dropped from months to weeks. — Electromechanical Head, Coal Mining Group
Power and EnergyAuxiliary Drive Systems for Thermal and Nuclear Power Plants
Power Generation Group
Motor and inverter solutions for thermal and nuclear auxiliaries ensure high unit availability.
Above 99.5%
Unit availability
~12%
Auxiliary energy
6
Units covered
The auxiliary drive solution covers multiple units, and vibration and temperature readings remain consistently good, according to our operators. — Production Technology Engineer, Power Generation Group
Oil & GasInverter-Duty Motors for Offshore Oil and Gas Platforms
Offshore Oil Company
Platform inverter-duty and low-inrush motors are designed for marine conditions, delivering significantly lower fault rates.
~55%
Motor failure rate
8000+ hours
Fault-free operation
4
Supported platforms
Salt spray and high humidity are harsh offshore conditions. Since commissioning, the inverter-duty motors have shown significantly lower fault rates than the previous models. — Platform Electrical Supervisor, Offshore Oil Company
Rail TransitMetro Tunnel Ventilation and Smoke Extraction Systems
Metro Construction Company
Tunnel fans and high-temperature smoke extraction motors pass fire safety tests for reliable line operation.
Passed on the first try
Fire acceptance
~20%
Ventilation energy
12
Covered stations
Smoke extraction motors passed fire acceptance on the first try, and daily ventilation energy consumption is lower than the previous design. — M&E Systems Engineer, Metro Construction Company
PapermakingDrivetrain Optimization for Paper Production Lines
Paper Manufacturer
Motor and drive combinations support everything from pulping to papermaking, minimizing line downtime.
~35%
Line downtime
~28%
Spare parts inventory
200+
Drive points
Unified drivetrain selection from pulping to papermaking reduced both spare inventory and downtime troubleshooting. — Equipment and Power Manager, Paper Manufacturer
New EnergyPM Generators and Yaw Drives for Wind Turbines
Wind Turbine OEM
Semi-direct-drive PM generators replace DFIG designs to reduce cost per kWh and simplify O&M.
~8%
Cost per kWh
~40%
Work at Heights
2000+
Units installed
The semi-direct-drive PM design shortens the drivetrain and significantly reduces work-at-height requirements for our service teams. — After-sales Director, Wind Turbine OEM
New EnergyLiquid-Cooled BESS Delivery for Commercial & Industrial Sites
Industrial Park Operator
Liquid-cooled storage enables peak shaving and demand management, reducing park energy costs.
~22%
Park energy cost
About 88%
Round-trip efficiency
3GWh+
Annual discharge
After over a year of peak-valley arbitrage, the park's energy bill has changed significantly. — Head of Energy Management, Industrial Park Operator
New EnergyHydrogen Production Power and Drive Solutions
Green Hydrogen Pilot Project
IGBT rectifiers and electrolyzer drives optimized for wind-solar microgrid hydrogen production
About 97%
Rectifier efficiency
20%-110%
Load range
6000+ hours
Continuous operation
Matching the rectifiers to the electrolyzers proceeded smoothly, with stable output maintained despite wind-solar fluctuations. — Process Lead, Green Hydrogen Pilot Project
New EnergyDistributed Solar-Storage Stations for Commercial and Industrial Customers
Enterprise and Government Park Clients
Integrated rooftop PV and storage increase clients' share of green electricity.
+35 pts approx.
Green power share
About 85%
Self-consumption
8GWh+
Annual output
Rooftop PV plus storage enables the park to self-consume most of its daytime load; our share of green electricity rose significantly. — Facilities Energy Supervisor, Enterprise Park Client
Electric TransportationNew Energy Passenger Car E-Drive Systems
New Energy Vehicle Manufacturer
Hairpin drive motors in mass production meet platform power density and high-speed efficiency targets.
About 97%
Peak efficiency
+20% approx.
Power density
100k+
Vehicles equipped
With hairpin motors installed, vehicle responsiveness and high-speed energy consumption both met platform targets. — E-Drive Engineer, NEV Manufacturer
Electric TransportationElectric Propulsion for Small Boats and Vessels
Boat Manufacturer
Electric outboards and propulsion systems replace fuel-powered engines for zero-emission navigation.
-10 dB(A) approx.
Sailing noise
Reduced to zero
Fuel consumption
300+
Boats delivered
Electric propulsion eliminates noise and oil pollution simultaneously, with highly positive feedback from marinas and passengers. — Product Director, Boat Manufacturer
Electric TransportationExport Market E-Bike Drive Systems
Mobility Equipment Brand
Mid-drive systems for city and mountain e-bikes with reliable export delivery.
Below 0.5%
Return rate
200+
Export batches
6
Model platforms
The mid-drive systems demonstrate stable certification results and batch consistency, with a very low return rate. — Supply Chain Quality Manager, Mobility Brand
Equipment AutomationServo and Robot Integration for Equipment Manufacturing Lines
Equipment Manufacturer
Servo, drive, and robot solutions for handling through assembly to improve line takt time.
+25% approx.
Line takt
~80%
Changeover time
32
Covered stations
After deploying the servo and robot solution, line changeover time dropped from hours to minutes. — Smart Manufacturing Head, Equipment Manufacturer
Digital ServicesFull Lifecycle Digital Service for Industrial Assets
Process Industry Enterprise
AI-powered monitoring and diagnostics for key assets significantly reduce unplanned downtime.
~45%
Unplanned downtime
800+
Connected assets
About 90%
Alert accuracy
The monitoring platform detected bearing degradation two weeks in advance, enabling us to prevent an unplanned outage. — Reliability Engineer, Process Industry Enterprise
Testimonials
"Wolong EC fans deliver reliable performance and significant energy savings across our data center projects—a trusted long-term partner."
Zhang
Infrastructure Director
"From selection to after-sales, Wolong's technical team responded quickly with high professionalism, helping us complete the line upgrade smoothly."
Li
Equipment Department Manager
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