Rang Dong Light Source and Vacuum Flask Joint Stock Company (Ralaco) is established 1961 with about 3000 workers.
We have 2 factories. One with area of 57,000 m2 located in Hanoi city produces CFL, FL, IL, Ballast, LED, Lighting Fixture. The other with area of 62,000 m2 located in Bac Ninh province, is far from Hanoi City about 40 kilometers, has 3 furnaces of glass (02 soda-lime glass furnaces and 01 free-lead glass furnace
Our company is one of leading company in the field of Lighting and Vacuum Flask in Vietnam, specializing in manufacturing and trading Compact Fluorescent Lamps/ Energy saving lamp (CFL), Fluorescent Lamps (FL), Ballast, LED, Lighting Fixture, Glass Refills (RF), Vacuum Flask (VF).
We were awarded Title –Certificates such as:
- Top award for heroic achievements in the period of renovation in 2000
- Certificate of Accreditation of Laboratory, conformed to ISO/IEC 17025:2005 standard in 2003
- In the top of 500 biggest companies of Vietnam in 2012
- Certification of High Quality Vietnamese Goods of 18 consecutive years from 1997 to present On January 13, 2014.

Our products are exported to many countries in the world such as: US, Japan, Egypt, Korea, Middle East, Australia, Russia, Ukraine, Sri Lanka, Fiji, EU, Cuba, Venezuela, India, Brazil, Nigeria, Jordan, Qatar, Saudi Arabia…