RangDong Vietnam

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

Home
Vietnam
Hanoi
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.

15/05/2026

🔌 OC.08 & OC.09 Smart Sockets – Smart Convenience for Every Home ⚡️

More than just ordinary sockets, OC.08 & OC.09 let you control devices remotely via Wi-Fi using your smartphone 📱

✨ Key Features:
🔹 Remote control through RangD**gSmart & RalliSmart Apps
🔹 Fast charging via USB port up to 20W
🔹 Enhanced safety protection when devices are not in use

Upgrade your home with smarter, safer, and more convenient power solutions. 💡
-----------------------------------------------------------
🔶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/

**g

14/05/2026

🔌 OC.01 Smart Socket – The Perfect Solution for Modern Homes

With Wi-Fi connectivity, you can control it remotely via the RangD**gSmart App with just a tap. 🖱️

✨ Key Features:
✅ Remote control anytime, anywhere via the internet.
✅ Set timers for household devices.
✅ Control based on scenarios: Devices operate automatically at preset times.
✅ Compatible with both Android and iOS for the whole family.
-----------------------------------------------------------
🔶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/

**g

12/05/2026

🌍 Rang D**g – Milestones That Shape the Journey 🚀

Nearly 70 years ago, Rang D**g’s journey began with the greatest asset of all: the ambition to reach far. From the very first steps, Rang D**g has continually grown and marked its path with proud milestones:

✨ Present in over 50 countries across 5 continents
✨ 24,000 sales points nationwide
✨ 16 Smart Home showrooms
✨ 500 nationwide marketing staff
✨ 10 branch offices
✨ 4 lighting business & service centers

💚 Rang D**g has not only expanded globally but also contributed to asserting Vietnam’s position on the international map, spreading meaningful and sustainable values.
-----------------------------------------------------------
🔶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/

**g

11/05/2026

📲 A Small Change – More Convenience for Your Entire Home

No need to change your entire electrical system.
No need to start with complex investments.

With Rang D**g’s Smart Home solutions, you can upgrade your living experience in a simpler way.

✔ Schedule automatic turning off of lights, fans, water heaters, and other devices to prevent energy waste.
✔ Check the real-time status of devices in your home, especially when you’re away.
✔ Control devices remotely through the RalliSmart app on your phone.
✔ Combine multiple devices into smart scenarios like "Coming Home", "Going to Sleep", "Leaving", "Watching Movies".
✔ Automatically turn devices on/off according to schedules or actual usage habits.

Smart living doesn’t have to start with something big.
Sometimes, a small change is all it takes to make your home more convenient, energy-efficient, and secure.
-----------------------------------------------------------
🔶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/

**g

09/05/2026

✨✨ Rang D**g and Flexfit Partner to Develop Smart Home Solutions ✨✨

📍 On May 7, 2026, Rang D**g Electric Lamp and Water Heater Joint Stock Company welcomed over 30 staff members from Flexfit Joint Stock Company to visit, train, and explore the SmartHome solutions.

💡 During the program, the Flexfit team was introduced to Rang D**g's SmartHome ecosystem, showcasing solutions and products applied in modern living spaces, along with the benefits they bring to users, such as convenience, energy efficiency, and enhanced living experiences.

🏡 In addition to the presentation, guests also had the opportunity to directly experience a SmartHome sample apartment, exploring each product application area, its standout features, and practical efficiency.

🤝 This training and networking activity paves the way for collaboration between Rang D**g and Flexfit to integrate SmartHome solutions into interior design and construction projects, further developing modern, intelligent, and comfortable living spaces for customers.

**g

08/05/2026

🏅 Rang D**g Exhaust Fan – Certified by National Technical Standards

Our product is certified by QUACERT according to QCVN 4:2009/BKHCN and the amended version 1:2016 QCVN 4:2009/BKHCN, ensuring:
✔️ Quality & Durability
✔️ Safe & Stable Operation
✔️ Reliable Ventilation Performance

👉 Not only powerful, but also verified by a trusted organization. Choose Rang D**g exhaust fans – peace of mind for every project!
-----------------------------------------------------------
🔶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/

**g

07/05/2026

Groundbreaking Ceremony for 1.33 MWp Solar Power Project at Que Vo, Bac Ninh

✨ This morning, May 6, 2026, Rang D**g officially launched the 1.33 MWp (1330 kWp) solar power project for a factory in Que Vo, Bac Ninh. The project is designed and invested by Rang D**g, in cooperation with PTECH Co., Ltd. as the contractor for installation and implementation.

☀ This solar power system investment helps businesses optimize electricity costs, utilize clean energy effectively, and promotes green production and sustainable development.

⚡ The project also supports the government’s and Bac Ninh province's initiative to encourage businesses to invest in rooftop solar systems under the self-production, self-consumption model, as outlined in Notice No. 366/TB-UBND.

👉 This project further demonstrates Rang D**g's expertise in designing, providing, and deploying large-scale industrial solar solutions, meeting the growing demands of factories, industrial parks, and manufacturing businesses.
-----------------------------------------------------------
🔶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/

**g

06/05/2026

💡 A Standard Classroom is Measured by Numbers, Not by "Brightness Feeling"

A proper lighting system needs to meet these standards:
✅ Illuminance: 300 - 500 lux (classroom), 500 - 700 lux (laboratory)
✅ Uniformity ≥ 0.7
✅ CRI ≥ 90
✅ UGR ≤ 19
✅ Ideal light color: 4000K - 5000K

👉 This is the optimal foundation when upgrading schools

🎯 Rang D**g’s Solution:
✳ Light design & placement according to standards
✳ Ensure all metrics are met from the start
-----------------------------------------------------------
🔶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/

**g

05/05/2026

🛋️ Elegant & Modern Living Room Lighting ✨
Upgrade your space with Rang D**g’s smart combo:
💡 6 color-changing LED downlights (Cool – Neutral – Warm)
🔘 2 wireless 2-way switches – install in 5 minutes, no wall cutting
Flexible lighting for every mood. Smart control for every home.
✔ Free consultation
✔ Save ~40% | 2-year warranty
-----------------------------------------------------------
🔶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/
**g

04/05/2026

💡✨ RalliSmart – Smarter Living Every Day

A light is more than illumination.
A switch is more than just on and off. 🔌

📱 Turn off the lights from your phone when you’re already in bed.
🌙 Gentle automatic lighting for your child at night.
🏡 Stay connected and in control of your home — anytime, anywhere.

Technology shouldn’t complicate life.
It should help your home take better care of you every day. 💚
-----------------------------------------------------------
🔶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/

**g

29/04/2026

🇻🇳 HOLIDAY ANNOUNCEMENT: APRIL 30 – MAY 1 🇻🇳

In celebration of the 51st anniversary of the Liberation of the South and National Reunification (April 30, 1975 – April 30, 2026) and International Workers’ Day (May 1), Rang D**g respectfully announces the holiday schedule to our valued partners, customers, and all employees as follows:

📅 Holiday Duration: Thursday, April 30 – Sunday, May 3, 2026
🏢 Resuming Operations: Monday, May 4, 2026

We wish all our partners, customers, and staff a joyful, safe, and meaningful holiday break!

**g

Address

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

Telephone

+84904380868

Website

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

Alerts

Be the first to know and let us send you an email when RangDong Vietnam posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to RangDong Vietnam:

Shortcuts

Want your business to be the top-listed Hardware Service in Hanoi?