About us

Rang Dong’s most impressive vacuum flask

October 2nd, 2023

RD-1045 N1.E is the most favorite vacuum flask with dominant features and durability. Millions of customers have been impressed at the first sight and they are willing to pay money to own it. The product is popular in the Middle East, American Latin and Southeast Asia. Let’s go to this article for discovering the reason why people like this flask so much.


Rang Dong’s vacuum flask model RD 1045 N1.E is now widely available in supermarkets and shops in the Middle East, Latin America and Southeast Asian countries.

The flask, with an eye-catching design in a modern style, belongs to a handheld family, excellently suitable for hotels, restaurants, cafes, households and offices. It can hold as much as one liter of tea and coffee for a half of day, enough to serve five to six people.


Rang Dong’s vacuum flask RD 1045 N1.E is on a table.


1 liter (~33.8 us fl.oz.)

Heat retention after 6 hrs

≥ 78 ˚C


ABS plastic body, Glass refill



Size (ØxH).

(154x222) mm

Specifications of the RD 1045 N1.E model.

Vacuum flask RD 1045 N1.E with package.

Features of vacuum flask RD 1045 N1.E

The most dominant feature of the product is its ABS plastic body. It is known that ABS is the high-class, expensive and durable plastic. This is the reason why RD 1045 N1.E looks so elegant, and its color easily persuades anyone.

The flask refill is made of neutral glass with silver coating under state-of-the-art technology of absolute heat radiation. Neutral glass is known to be safe for food contact. And the silver-plating layer is treated in advanced lines for the best heat retention. The refill can maintain liquid at more than 78oC for six hours or keep cold throughout 24 hours. The most impressive feature is that the taste of the drink won’t change for the whole day.

The style, colors and parts of the vacuum flask RD 1045 N1.E


Next is the flask’s water pouring mechanism. A push button is designed conveniently to pour water easily. Press the button on the lid and keep the finger on, the stored drink will flow out. Releasing the button will stop the flow. By this way, the temperature of the liquid inside is kept for a long time.

In order to change the glass refill, twist the bottom, take out the refill and insert the new one, finally twist the bottom tightly to keep the structure strong.

Customers often satisfy with the vacuum flask because it passes international standards LFGB and BS EN 12546-1:2000, meaning the flask is totally safe for food

User’s guide

It is easy to use this model. Firstly, please prepare hot coffee or tea. Twist to open the lid. Pour the fine drink into the flask. Twist the lid again to close.

To get the drink, just press the button on the lid to pour the drink into cups for sharing. Customers are guaranteed to be satisfactory with the drink taste as it won’t change.

Please remember that gas beverage and ice cubes are not recommended as they will damage the glass refill.

Should you have any questions, wish to share your ideas about vacuum flasks or request a quotation, please send us an email to: export@rangdong.com.vn.

Our website: vacuumflask.rangdong.com.vn

Relevant news
Five amazing benefits of a vacuum flask
October 2nd, 2023
Five amazing benefits of a vacuum flaskFive amazing benefits of a vacuum flask

The idea of keeping a liquid hot or cold for an extended period is already intriguing. In order to store tea, coffee, or cold beverages, a vacuum flask, also known as a thermos, is something that is often thought of first. The following article provides more details of the exceptional benefits of a vacuum flask.

Rang Dong’s vacuum flask complies with EU standard
October 2nd, 2023
Rang Dong’s vacuum flask complies with EU standardRang Dong’s vacuum flask complies with EU standard

Rang Dong’s vacuum flask is manufactured in ISO-qualified factories. Each production stage is strictly controlled to ensure products comply with EU standards for food safety, including BS EN 12546-1:2000 and LFGB. Therefore the company’s vacuum flasks live up to customers’ expectation as they keep the drinks clean and tasteful. 

Rang Dong – Vietnam’s Leading Vacuum Flask Manufacturer
October 2nd, 2023
Rang Dong – Vietnam’s Leading Vacuum Flask ManufacturerRang Dong – Vietnam’s Leading Vacuum Flask Manufacturer

For decades vacuum flask has been popular in many Vietnamese families. Its market has seen more competition, joined by new domestic manufacturers, and also from the penetration of foreign brands. With unrelenting efforts, Rang Dong has done much, and will have to do more in order to retain its leading position among vacuum flask manufacturers in Vietnam.

History of Rang Dong’s vacuum flask production
October 2nd, 2023
History of Rang Dong’s vacuum flask productionHistory of Rang Dong’s vacuum flask production

Since Rang Dong’s establishment in 1961, the vacuum flasks produced by the company have become an indispensable item in many families in Vietnam’s northern region and later, nationwide. “Rang Dong” is now a familiar and reliable brand in the country of more than 90 million people.