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Success Stories

SUCCESS STORIES

Proven practices across multiple industries, demonstrating product strength with data and results

Large Data Center Cooling UpgradeData Centers

Large Data Center Cooling Upgrade

Leading Internet Company

35% energy savings, over $2M annual cost reduction

Commercial Complex HVAC SystemHVAC

Commercial Complex HVAC System

Commercial Real Estate Group

28% annual operating cost reduction

Upgrade the Drive System for Automotive Production LinesIndustrial Automation

Upgrade the Drive System for Automotive Production Lines

Joint Venture Auto Manufacturer

22% efficiency gain, 60% fault reduction

Wind Turbine Pitch Motor SupplyNew Energy

Wind Turbine Pitch Motor Supply

Wind Turbine OEM

5000+ units with stable operation

Metro Ventilation EC Fan ProjectRail Transit

Metro Ventilation EC Fan Project

City Metro Group

8 dB noise reduction, 40% energy savings

Pharmaceutical Clean Room HVAC SystemHVAC

Pharmaceutical Clean Room HVAC System

Listed Pharmaceutical Company

GMP-compliant, 30% energy savings

BLDC Drive Solutions for Home Appliance OEMsSmart Buildings

BLDC 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

EC Fan Cooling for Data Center Precision Air ConditioningSmart Buildings

EC 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

PM Drive Retrofit for Water Treatment Pump StationsSmart Buildings

PM 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

HVAC and Water System Integration for Commercial BuildingsSmart Buildings

HVAC 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

Flameproof Motors and Compressor Drives for Petrochemical FacilitiesChemical

Explosion-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

Localized Underground Mining Motor SupplyCoal and Coal Chemicals

Localized 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

Auxiliary Drive Systems for Thermal and Nuclear Power PlantsPower and Energy

Auxiliary 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

Inverter-duty motors for offshore oil and gas platformsOil & Gas

Inverter-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

Metro Tunnel Ventilation and Smoke Extraction SystemsRail Transit

Metro 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

Paper Production Line Drivetrain OptimizationPapermaking

Drivetrain 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

PM Generators and Yaw Drives for Wind TurbinesNew Energy

PM 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

Liquid-Cooled BESS Delivery for Commercial and Industrial SitesNew Energy

Liquid-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

Hydrogen Production Power and Drive SolutionsNew Energy

Hydrogen 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

Distributed Solar-Storage Stations for Commercial & Industrial CustomersNew Energy

Distributed 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

E-Drive Systems for New Energy Passenger VehiclesElectric Transportation

New 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 Propulsion for Small Boats and VesselsElectric Transportation

Electric 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

Export E-Bike Drive SystemsElectric Transportation

Export 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

Servo and Robot Integration for Equipment Manufacturing LinesEquipment Automation

Servo 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

Full Lifecycle Digital Services for Industrial AssetsDigital Services

Full 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."

Z

Zhang

Infrastructure Director

"From selection to after-sales, Wolong's technical team responded quickly with high professionalism, helping us complete the line upgrade smoothly."

L

Li

Equipment Department Manager

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