RangDong Vietnam

Name: RangDong Vietnam
Address: 87-89 Phố Hạ Đình, Phường Thanh Xuân Trung, Quận Thanh Xuân, Hanoi, VN
Telephone: +84904380868

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RangDong Vietnam

Providing lighting products, electronic devices and smart lighting solutions RALACO is Vietnam's leading manufacturer in lighting industry.

Established in 1961, Rang Dong has 60-year experience in developing, commercializing and trading lighting products for domestic and global markets. We produce more than 150 million of various of lighting items such as bulb, tube, downlight, panel light, floodlight, streetlight, etc. for diverse lighting applications including residential lighting, commercial lighting, professional lighting, hortic

ulture lighting, aquaculture lighting, educational lighting, architecture lighting and industrial lighting. Currently, Rang Dong is developing and providing smart lighting solutions for smart home, smart city and smart farm based on IoT platforms and Human centric lighting principle. We are delightful to set up a long term cooperation with all global clients. We commit to support you best for product quality, and delivery time.

17/08/2026

✨ Focused Light, Elevated Space ✨

Not every corner needs wide lighting. Some spaces need the right beam, in the right place, to create a stronger visual impact.

💡 Rang D**g narrow-beam LED downlight is designed to focus light precisely where it is needed, helping highlight details, colors, and textures in the space.

✔ Focused lighting for clear visual accents
✔ Reduced glare for more comfortable use
✔ Ideal for paintings, display cabinets, and decorative objects
✔ Elegant design for homes, showrooms, restaurants, and hotels

🌿 Rang D**g Narrow Beam LED Downlight - Precise lighting for refined spaces.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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14/08/2026

☀️ Why Choose Install Rang D**g Solar Power?

Rang D**g provides a synchronized, safe, and efficient solar power solution, designed to meet the actual needs of each project and support customers throughout the entire operation process.

✅ High-quality equipment with advanced technology and stable performance
✅ End-to-end service: survey, consultation, design, and installation
✅ Strict quality control with full CO and CQ certificates
✅ Nationwide official warranty and 24/7 technical support
✅ Over 65 years of trusted Rang D**g brand reputation

With experience in deploying thousands of solar power projects for households, factories, businesses, offices, and headquarters nationwide, Rang D**g helps customers reduce electricity costs, gain energy independence, and move toward sustainable green transformation.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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12/08/2026

⚡ Control More Than One Device - Manage Your Home Power with Ease

One device left on can make you worry. But sometimes, what needs to be controlled is not just one device - it is the entire home power system.

Rang D**g Smart Circuit Breaker and Smart Socket help families stay more proactive:

🔹 Smart Circuit Breaker: Monitor status and remotely turn power on/off via the RalliSmart App. Helps protect against overload, short circuit, and high/low voltage risks.
🔹 Smart Socket: Turn devices on/off, set timers, and schedule operation for each appliance.

From the main power system to fans, lights, chargers, and household devices — everything can be checked right on your phone.

No need to go back just to ask, “Did I turn off the power?”
No more wondering who forgot to unplug the device.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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11/08/2026

🚦Choose Street Lights with a Strong Quality Foundation

Rang D**g LED street lights and street light drivers have been certified by TÜV SÜD, a trusted international testing, inspection, and certification organization.

This certification affirms product quality and safety in accordance with international standard requirements.

For investors and contractors, it provides an additional reliable basis when selecting lighting equipment for infrastructure, traffic, and urban projects.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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10/08/2026

🌍 An International Milestone for Rang D**g Street Lighting Solutions

Rang D**g has received international TÜV SÜD certification for its LED street lights and street light drivers.

From products manufactured in Vietnam to solutions verified by a trusted global testing and certification organization, this milestone reflects Rang D**g’s commitment to raising quality standards for project lighting solutions.

The certification confirms that Rang D**g’s LED street lights and drivers meet safety and quality requirements in line with European and international standards.

For infrastructure projects, this is more than a product certification - it provides investors, contractors, and partners with greater confidence in choosing lighting solutions that are tested, reliable, and ready to meet higher requirements in both domestic and international projects.

👇 See the comments to learn more about Rang D**g’s solutions and products.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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06/08/2026

🌧️🦟 More Rain, More Mosquitoes - Stay Prepared Early

During seasonal changes, unpredictable rain and heat can make mosquitoes appear more often in bedrooms, living rooms, kitchens, and balconies.

Instead of waiting until mosquitoes become a problem, families can proactively protect their living spaces with Rang D**g’s mosquito control duo:

💡Rang D**g Mosquito Trap Light
Attracts mosquitoes with light, operates quietly, uses no harmful chemicals, and is easy to clean. It can be placed on a table or hung in different indoor areas.

⚡Rang D**g Electric Mosquito Swatter
Helps handle mosquitoes quickly with a 3-layer mesh, rechargeable lithium battery, insulated ABS plastic body, and firm grip.

One light for regular mosquito control.
One swatter for quick action when needed.

A compact and useful duo for families throughout the rainy season.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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04/08/2026

🏗️Behind Every Project Is a Professional Team

A lighting solution can only deliver its full value when it is properly installed, accurately configured, and operated as a synchronized system.

Rang D**g’s engineering and technical service teams are always present on-site, supporting every stage from survey, installation, system configuration, acceptance testing to operation guidance.

This ensures that each project is delivered safely, stably, and efficiently.

📸 Let’s take a look at real moments of the Rang D**g team at project sites.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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03/08/2026

☀️ Rang D**g Solar Lights – Lighting Solutions for Every Project

From rural roads, urban areas, and industrial zones to highways, border areas, and islands, Rang D**g provides solar lighting solutions designed to match each project’s requirements for lighting efficiency, durability, and long-term operation.

💡Why do many projects choose Rang D**g?

✅ High lighting efficiency for optimized performance and energy savings
✅ Customized solutions tailored to each project’s needs and real site conditions
✅ Strict quality control for stable operation in various weather conditions
✅ Smart digital platform integration for remote monitoring, management, and operation

Rang D**g delivers reliable solar lighting solutions for safer, smarter, and more sustainable infrastructure.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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01/08/2026

⚡Fewer Steps, More Convenience

Have you ever left home and wondered whether your electrical devices were turned off? With Rang D**g Wi-Fi Smart Circuit Breaker, power control becomes faster, more proactive, and more convenient right on your phone.

✅ Monitor power consumption in real time
✅ Check device status remotely
✅ Turn power on/off when needed
✅ Automatically cut off power in case of overload or short circuit

More than simplifying daily use, it helps improve electrical safety and optimize energy management at home.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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31/07/2026

🌟 CEO – AIT Vietnam 2026 Participants Visit Rang D**g for Practical Learning

On July 30, 2026, Rang D**g was honored to welcome participants of the CEO 2026 Program by the Asian Institute of Technology in Vietnam for a company visit and practical learning session.

The visit served as a bridge between management knowledge and real business operations, offering participants first-hand experience of an enterprise strongly transforming toward high technology, digital transformation, and green transformation.

During the program, the delegation:

🔹 Visited Rang D**g’s 4.0 Product/Service Ecosystem Showroom and 12+ Fields Showroom
🔹 Experienced the modern SMT production line
🔹 Explored the X.LED Digital Manufacturing Operations Center
🔹 Exchanged insights with Rang D**g’s leadership on management, operations, market development, and product innovation

Rang D**g believes that real-world experiences can help spread the spirit of innovation, creativity, and sustainable development within the Vietnamese business community.
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🔶RANG D**G LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY
🔶Address: No. 87-89 Ha Dinh Str., Khuong Dinh Ward., Hanoi, Vietnam
🔶Website LED: https://en.rangdong.com.vn
🔶Website Vacuum Flask: https://vacuumflask.rangdong.com.vn/
🔶Telephone: (84-24) 3 858 4310/3 858 4165
🔶Email: [email protected]
🔶Alibaba Gold suppliers: https://ralacoexport.trustpass.alibaba.com
🔶LinkedIn: https://www.linkedin.com/company/rang-dong/
🔶Facebook: https://www.facebook.com/ledlighting.rangdong
🔶 YouTube: www.youtube.com/

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Address

87-89 Phố Hạ Đình, Phường Thanh Xuân Trung, Quận Thanh Xuân
Hanoi

Telephone

+84904380868

Website

http://www.rangdong.com.vn/

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