Hunan Chendong Tech Co., Ltd

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长沙岳麓区岳麓大道芯城科技园4栋

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Hunan Chendong Tech Co., Ltd

CE,CAAC,ICAO certified manufacturer and global supplier of robust and cost-effective airfield, helipad and obstruction lighting products.

Hunan Chendong Technology Co., LTD （shorted as CDT）is a CE, CAAC, ICAO certified manufacturer and global supplier of robust and cost-effective airfield, helipad, and obstruction lighting products to commercial, private and military customers worldwide. Our Quality Management System is registered to ISO 9001:2015. You are looking for a trusted partner. We are your expert ultimate engineering solution.

26/05/2026

Power Line Day & Night Marking – Self-Illuminated “Marker Ball”

Improve aviation safety with reliable marking of catenary power lines using self-illuminated “marker balls”.

Designed for both daytime and nighttime visibility, the integrated solution combines a high-visibility aircraft warning sphere with conductor marking lights, making power lines clearly visible to pilots at all hours.

✔ Day & night power line marking solution
✔ Integrated warning sphere + conductor marking light
✔ Available in 12" and 24" diameters
✔ Steady-burning red L-810 obstruction lights
✔ Utilizes the excess electrical field surrounding the conductor for illumination
✔ Installs directly on live lines from 15 kV to 500 kV
✔ Suitable for conductors carrying from 40–2,000 Amps
✔ Reliable performance without external power supply

The Self-Illuminated “Marker Ball” is ideal for transmission lines, river crossings, valleys, and other critical aerial navigation zones where enhanced visibility is essential for aviation safety.

🌐 Website: www.cdt-en.com/
📧 Email: [email protected]
📱 Phone/WhatsApp: 139 2949 3960

25/05/2026

High Visibility Aviation Safety. Zero Grid Dependency.

For long-term infrastructure protection, you need lighting that doesn't fail—and doesn't rely on expensive trenching or power lines.

We present our High Intensity Aviation Obstruction Light System integrated with a complete Solar Kit.

✅ Day: 100,000 cd (Flash White) – Visible for miles
✅ Night: 20,000 cd (Flash White) – 24/7 reliable performance
✅ Standards: 100% ICAO Compliant
✅ Energy Source: High-efficiency solar panels + rugged Battery Box + Smart Controller
✅ Installation: Modular design for quick and secure deployment on any tower

Whether you are upgrading old lights or building a new network, we have the reliable, sustainable solution ready.

👇 Get a quote or technical specification sheet today:

🌐 Website: http://www.cdt-en.com/
📧 Email: [email protected]
📱 Phone / WhatsApp: +86-13929493960

20/05/2026

Aviation Warning Spheres: From Installation to Operation on 800kV Lines 🛡️

Looking back at the successful installation of aviation warning marker balls on our 800kV transmission circuit.

For those unfamiliar with the process:
⚙️ Material: These spheres are made of fiberglass reinforced plastic (FRP) with UV stabilizers to withstand years of exposure.
🔧 Installation: Handled via suspended basket access, clamped directly onto the conductor.
🎯 Spacing: Installed at precise intervals per aviation authority regulations to ensure visibility from all angles.

The final picture shows the visual impact—critical for mitigating low-altitude flight hazards. Safe, efficient, and mission complete.

📞 Contact Us
🌐 Website: http://www.cdt-en.com/
📧 Email: [email protected]
📱 Phone/WhatsApp: +86-13929493960

19/05/2026

Powering infrastructure. Protecting airspace. ⚡✈️

Another successful installation completed for a high-voltage transmission line project featuring ICAO-compliant Medium Intensity Type A Obstruction Lights across 23 transmission poles.

Designed for harsh outdoor environments and critical aviation safety applications, the system includes:

🔹 Medium Intensity Type A Obstruction Lights
🔹 DC 48V power configuration
🔹 White flashing at 20 flashes per minute
🔹 20,000 cd daytime intensity
🔹 2,000 cd nighttime intensity
🔹 GPS synchronization for precise flash sequencing
🔹 Solar-powered solution for reliable off-grid performance

By combining solar energy technology with intelligent synchronization control, the project delivers dependable obstacle marking for power transmission infrastructure while reducing maintenance requirements and operating costs.

At Hunan Chendong Technology, we continue supporting global energy and aviation safety projects with reliable obstruction lighting solutions.

Website: http://www.cdt-en.com/
Email: [email protected]
Phone/WhatsApp: +86-13929493960

18/05/2026

Ensuring Safe Airspace Navigation with ICAO-Compliant Medium Intensity Obstruction Lights ✈️🚨

Medium-intensity obstruction lighting plays a critical role in aviation safety by marking structures between 45 and 150 meters that may pose hazards to air traffic. These systems provide clear and timely warnings to pilots, supporting safe and reliable flight operations.

Our Medium Intensity Type C Obstruction Light is designed for dependable nighttime obstacle marking with ICAO compliance and intelligent control integration.

🔴 Medium Intensity Type C Obstruction Light
✔ Red fixed-burning light – 2000Cd (night operation)
✔ ICAO compliant nighttime obstruction marking
✔ Can be combined with Type A for Type AC configuration
✔ Automatic day/night switching
✔ Synchronous operation of multiple lights
✔ Lightweight structure with integrated power supply junction box
✔ Simplified installation and maintenance

⚡ Intelligent Obstruction Light Controller

We also provide bespoke controller solutions tailored to customer requirements. The controller manages the complete obstruction lighting system regardless of the number of installed lights.

Key controller functions include:
✔ Power distribution for AC & DC systems
✔ Synchronization of all flashing obstruction lights
✔ GPS-based synchronization options available
✔ Protected power supply and photoelectric switch integration
✔ Visual alarm indication on front panel
✔ Remote transmission of URGENT & NON-URGENT alarms
✔ COM / NC / NO dry contact outputs
✔ Easy front-panel system testing and maintenance access

Reliable obstruction lighting is essential for aviation safety, telecom towers, transmission lines, high-rise structures, and industrial facilities.

🌐 Website: http://www.cdt-en.com/
📧 Email: [email protected]
📱 Phone/WhatsApp: +86-13929493960

14/05/2026

Elevating airfield safety with our Hinged Wind Cone solution.

Designed for durability, visibility, and easy maintenance, the hinged structure allows convenient lowering for inspection and servicing while ensuring reliable wind direction indication in demanding environments. Ideal for airports, heliports, military facilities, and industrial applications where operational safety is critical.

✔ High-visibility lighting system
✔ Rugged galvanized structure
✔ Easy maintenance with hinged base design
✔ Reliable performance in harsh environments
✔ ICAO-compliant aviation safety solution

At Hunan Chendong Technology, we are committed to delivering dependable aviation lighting and navigation solutions worldwide.

🌐 Website: www.cdt-en.com

📧 Email: [email protected]

📱 Phone/WhatsApp: +86-13929493960

13/05/2026

Solar-Powered Obstruction Lighting Project for Transmission Towers

Successful installation of ICAO-compliant high-intensity and medium-intensity white obstruction lights with integrated solar power systems on transmission towers in remote mountainous areas.

The system provides reliable aircraft warning lighting for power transmission infrastructure while reducing maintenance and eliminating dependence on external power supply.

✅ High & medium intensity white obstruction lights
✅ Solar-powered off-grid solution
✅ Designed for transmission towers & utility infrastructure
✅ Reliable operation in harsh outdoor environments

Improving aviation safety and infrastructure reliability with intelligent obstruction lighting solutions.

Website: www.cdt-en.com
Email: [email protected]
Phone/WhatsApp: +86-13929493960

11/05/2026

🚨 Enhance Airside Safety with Aerodrome Mobile Obstacle Lights ✈️

Our Aerodrome Mobile Obstacle Lights are designed to improve the visibility of airport vehicles and mobile objects, helping pilots quickly identify operational vehicles on the airfield.

🔹 Low-intensity Type C Obstacle Light
• Blue flashing (40–400 cd) for emergency/security vehicles
• Amber flashing (40–400 cd) for standard airport service vehicles and mobile objects

🔹 Low-intensity Type D Obstacle Light
• Amber flashing (200–400 cd) for es**rt and “Follow Me” vehicles

✅ Key Features:
✔ Magnetic base for fast installation and removal
✔ Ideal for temporary or mobile applications
✔ Flashing rate: 60–90 fpm
✔ Nominal operating voltage: 12/24 VDC
✔ Optional cigarette lighter plug available

Designed for reliable operation in demanding airport environments while meeting aerodrome visibility requirements.

📩 For more details:
🌐 Website: http://www.cdt-en.com/
📧 Email: [email protected]
📱 WhatsApp: +86-13929493960

09/05/2026

🌬️🛫 Lighted Wind Cones: Enhancing Visibility & Safety During Nighttime Operations

The LED L-807 and L-806 Wind Direction Indicators are essential visual aids installed near runways and taxiways to help pilots accurately identify wind direction for safe take-off, landing, and taxiing operations. ✈️

Our wind cones are available with:
✔️ Full frangible mast design to enhance aircraft and passenger safety during accidental impact
✔️ Rigid & tiltable support structures for flexible installation requirements

📌 Available configurations:

Internally lit wind cone
Externally lit wind cone
Unlit wind cone

✅ Compliant with:

ICAO Annex 14 Vol. I & Vol. II
FAA AC150/5345-27E L-807(L) standards

Designed for reliability, durability, and superior visibility in demanding aviation environments. 🌙

📩 For more details:
🌐 Website: cdt-en.com
✉️ Email: [email protected]
📱 Phone/WhatsApp: +86-13929493960

08/05/2026

🛫 Catenary Obstruction Lights – Enhancing Aviation Safety for Overhead Infrastructure
Catenary obstruction lights are specialized, high-intensity aviation warning lights (typically flashing white) installed on supporting structures for overhead transmission lines and long-span wires. They play a critical role in preventing low-flying aircraft collisions and ensuring compliance with international aviation safety standards.
✨ Key Features:
• ✔ Compliant with FAA & ICAO standards
• ✔ High-intensity flashing output for maximum visibility
• ✔ Typically operates at 60 FPM flash rate
• ✔ Advanced 3-tier flash sequence (Top → Middle → Bottom) for clear spatial recognition
• ✔ Integrated GPS synchronization system for precise coordination across multiple towers
☀️ Solar-Powered Flexibility
Our solar power station solutions allow customization of battery capacity and solar panel sizing based on:
• Geographic latitude & longitude
• Local aviation authority requirements
• Project-specific power autonomy needs
This ensures reliable, maintenance-efficient operation even in remote or harsh environments.

📩 For more details:
🌐 Website: cdt-en.com
✉️ Email: [email protected]
📱 Phone/WhatsApp: 139 2949 3960

07/05/2026

📡 Aviation Obstruction Lighting Solution for Telecom & Radio Towers ✈️

Reliable ICAO-compliant Medium-Intensity Type A obstruction lighting designed for towers between 61 m and 152 m AGL.

✔ 20,000 cd day / 2,000 cd night output
✔ Sequential or simultaneous flashing
✔ Solar power system with up to 7-day autonomy
✔ GSM remote monitoring & alarm relay
✔ RS422 / RS485 communication
✔ Optional IR for NVG-compatible operations

Engineered for remote telecom sites, harsh environments, and low-maintenance operation.

Smart Lighting. Safer Aviation.

🌐 www.cdt-en.com
📧 [email protected]
📱 WhatsApp: +86-13929493960

Address

长沙岳麓区岳麓大道芯城科技园4栋
Changsha
41000

Telephone

+8613929493960

Website

http://www.cdt-en.com/

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