Explore our primary industrial fleet of towing tractors, pallet dollies, passenger boarding systems, and ground power options tailored for modern high-turnaround airports.
Heavy-duty aircraft pushback and towing tractor designed for high load capacities and extreme fleet safety standards.
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High-strength structural cargo dolly with 360-degree rotation capabilities and multi-directional loading features.
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Complete refueling system featuring advanced pressure control, precision metering, and robust safety bypass systems.
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Self-propelled boarding configuration with telescopic stairways adjusting to diverse aircraft doors heights.
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Hydraulic scissor-lift insulated food catering truck compatible with wide-body and narrow-body airplanes.
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Food-grade stainless steel tanks engineered for clean water replenishment under strict sanitary regulations.
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Intermediate configuration pushback tractor providing high torque output and reliable traction control.
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Reliable towable step solution with customizable width, mechanical stabilizers, and anti-slip stair steps.
View DetailsModern aerospace engineers, airport operators, and Ground Support Equipment (GSE) managers search for "China GPU Ground Power Unit Suppliers & Factory" looking for more than basic assembly. They seek details on harmonic distortion mitigation, 400Hz frequency converter reliability, power quality compliance (ISO 6858, Mil-Std-704F), and long-term operating costs. This whitepaper aims to detail these parameters to provide professional procurement teams with actionable intelligence.
Commercial aircraft, both narrow-body (e.g., Airbus A320, Boeing 737) and wide-body (e.g., Boeing 787, Airbus A350), operate their internal electronics, flight controls, and environmental systems on a specialized 3-phase 115/200 V AC, 400 Hz electrical system. Regional commuter aircraft and helicopters often rely on 28V DC systems. Sourcing a high-caliber GPU demands strict electrical output parameters:
| Parameter Class | Solid-State Static GPUs | Diesel Engine-Driven GPUs | Battery Energy Storage GPUs (BESS) |
|---|---|---|---|
| Nominal Output | 400Hz AC (90kVA - 180kVA) / 28.5V DC | 400Hz AC (90kVA - 140kVA) / 28.5V DC | 400Hz AC (90kVA - 180kVA) / 28.5V DC |
| Voltage Regulation | ±1% steady state | ±1% steady state | ±0.5% steady state |
| Frequency Stability | ±0.01% crystal controlled | ±1% (mechanical/electronic governor) | ±0.01% inverter controlled |
| Total Harmonic Distortion (THD) | < 2% linear load; < 3% non-linear load | < 3% linear load | < 1.5% under all load profiles |
| Operational Efficiency | Up to 94% at full rated load | Varies with fuel grade & load profile | Up to 96% efficiency from battery pack |
| Carbon Footprint | Zero localized (depends on grid power source) | High emissions (diesel combustion) | Zero localized emissions |
Modern GPU development follows three distinct paths to align with specific environmental profiles, local grid reliability, and capital expenditure targets.
Utilizing advanced double-conversion topology (AC to DC then DC to 400Hz AC), solid-state converters provide the highest electrical purity. Using IGBT power switches, these systems eliminate rotating mechanical components, reducing maintenance costs and operational noise (<65 dB(A) at 1 meter). Excellent for bridge-mounted configurations at passenger terminals.
Equipped with Stage V / Tier 4 Final compliant engines, these mobile towable units provide power independence. Perfect for military outposts, remote cargo aprons, and airports with unstable electrical grid layouts. They feature heavy-duty acoustic canopies and brushless, synchronous generators.
The cutting edge of ground support technology. Powered by high-density Lithium Iron Phosphate (LiFePO4) battery packs, green GPUs deliver emission-free, silent power directly to the aircraft. Featuring bi-directional charging interfaces, they act as mobile energy reservoirs that can integrate with smart airport microgrids.
We maintain an extensive, certified lineup of aircraft refueling trucks, cargo dollies, passenger steps, cabin heaters, air start systems, and electric ground power modules.
Whether you need specialized military aviation Ground Power Units or regional commercial airport ground support configurations, our team delivers custom-engineered solutions from layout and software modeling to certification and shipping.
Our company applies advanced science, engineering innovation, and R&D capabilities to product design and factory production cycles.
High-quality products meet user requirements, stand out from the competition, and win long-term market recognition.
We optimize supply chain systems, inventory control, logistics networks, and emergency protocols for timely global deliveries.
Comprehensive technical support, field maintenance training, and rapid spare-part distribution maximize equipment uptime.
We support airlines, aircraft maintenance hangars, ground handling agents, and logistics providers with custom OEM and ODM services. From planning, electrical schematic design, testing, to delivery, we focus on lowering costs and improving equipment competitiveness.
Wide portfolio of certified equipment, matching the strict standards of civil and military aircraft fleets.
Providing dedicated solutions to global operators, ensuring fast and safe aircraft turnaround times.
Supplying towing systems, air conditioning, air start units, passenger stairs, and water/lavatory trucks.
Each Aircraft Ground Power Unit (GPU) manufactured at our facility undergoes testing using high-capacity inductive and resistive load banks. Our quality control protocols align with international aviation certifications, including:
Our equipment features weatherproofing protections (IP55/IP66 enclosure ratings) to ensure reliable operation in diverse climates:
Stay updated with technical developments and insights from the ground support equipment industry.
An analysis of modern passenger boarding stairs, highlighting their safety features, structural design, and critical role in passenger embarkation.
A look at towable energy storage systems (BESS GPUs) and how they support emission reduction goals in modern airports.
A comprehensive review of truck-mounted Ground Power Units (GPUs), detailing how they supply 400Hz power to aircraft systems on the ground.
Our mission is to deliver dependable equipment, helping our customers maximize the efficiency of their ground support operations.
Our extensive product lineup includes air start units, passenger stairs, heavy tow tractors, and aircraft electrical static power systems.
Specialized passenger transport and utility equipment built for heavy-duty airport platform operations.
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Heavy duty diesel engine towing tractor built to haul multiple baggage carts in challenging conditions.
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Zero-emission electric self-propelled stairs featuring automated approach sensors and stabilization systems.
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Reliable aircraft tractor designed for regional airplanes and narrow-body ramp maneuvering.
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Highly durable, hot-dip galvanized baggage cart with parking brakes and rain shelters.
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Solid-state 400Hz frequency converter engineered for airport terminals and maintenance hangars.
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Pneumatic engine starter supply providing compressed air to start main aircraft engines.
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Mobile, truck-chassis mounted air starter system designed to service wide-body commercial aircraft.
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Chidge Dolly