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Four-stroke gasoline engine

Four-stroke engine


Stable and efficient operation, with fuel savings and reduced consumption; low noise, clean and environmentally friendly, delivering strong, high-torque output.

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Two-stroke gasoline engine

Two-stroke engine


The machine is stable and reliable, with powerful, sustained performance, smooth operation, and minimal vibration, delivering a continuous flow of power.

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About Us


Changsha Guanghua Aviation Technology Co., Ltd.

Changsha Guanghua Aviation Technology Co., Ltd. (Abbreviation: Guanghua Aviation) was founded in Sept 2010. The company focuses on the research and development, production and sales of scientific aircraft model engine and UAV engines.The company is a self-operated export high-tech enterprises.  "NGH" is the registered trademark of the company's engine products, and applied for the registration of the international trademarks in the United States and the European Union.

2010 year

Date of establishment

30 +

Cumulative number of patents

60 +

Independently developed products

News Updates

Stay updated on Guanghua Aviation’s exciting developments: we independently develop low-altitude aviation propulsion systems and, leveraging our innovative capabilities, deliver premium integrated unmanned aerial vehicle power solutions.

10-20


Field flight test of the GF60i2 twin-cylinder four-stroke model aircraft engine


Practical speed: 1200–7500 rpm Maximum power: 5.1 HP at 8000 rpm Low operating vibration, smooth power delivery, and excellent fuel efficiency.

2026-10-20

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05-26


The 2026 Shenzhen Drone Expo has concluded successfully! We look forward to seeing you again and (joining hands) to embrace a new future in the low-altitude airspace!


Over several days of exhibitions and exchanges, we not only earned a strong reputation and seized new opportunities, but also gathered valuable industry insights and customer feedback. Looking ahead, we will carry forward the gains and aspirations from this event, staying true to our original mission and striving for continuous improvement. We will redouble our efforts in product innovation, quality control, and service enhancement, responding to every trust with even greater expertise and superior value.

2026-05-26

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02-04


GTF550 Two-Stroke Horizontally Opposed Gasoline Engine


NGH is renowned for manufacturing high‑quality gasoline engines. The GTF550, a four‑cylinder horizontally opposed, two‑stroke, air‑cooled gasoline engine, was specially developed by NGH engineers for drones and ultralight experimental aircraft. Its classic, meticulously engineered design delivers low vibration, high power output, light weight, and long service life. Rapid throttle response ensures smooth, linear power delivery, providing your aircraft with stable, robust propulsion and an unprecedented flying experience.

2024-02-04

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03-07


GF150R5 five-cylinder radial four-stroke gasoline engine


NGH is renowned for manufacturing high‑quality gasoline engines and is China’s first factory to independently research, develop, and produce small, multi‑cylinder, four‑stroke gasoline engines. The GF150R5 is a professional‑grade four‑stroke gasoline engine engineered by NGH specifically for RC aircraft and fixed‑wing drones, offering high performance with low fuel consumption, strong torque and reduced noise, all within a compact design and an elegant appearance.

2023-03-07

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04-01


Electric Engine Start – GTT70 & GF60i2


GTT70 GF60i2 twin-cylinder model aircraft gasoline engine with electric start

2022-04-01

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