DRUK WANGYEL TRADER

06/10/2026

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𝑽𝒂𝒄𝒂𝒏𝒄𝒚 𝑨𝒏𝒏𝒐𝒖𝒏𝒄𝒆𝒎𝒆𝒏𝒕

Vacancy for Technical Supporting Staff at Druk Wangyel Traders.

02/10/2026

Vacancy announcement 📣

𝑽𝒂𝒄𝒂𝒏𝒄𝒚 𝑨𝒏𝒏𝒐𝒖𝒏𝒄𝒆𝒎𝒆𝒏𝒕

27/04/2026

We have successfully completed the installation of a 1000 LPD solar water heating system in various schools. We sincerely appreciate your continued support in promoting sustainable and environmentally friendly initiatives. Your commitment plays a vital role in advancing clean energy solutions and for better healthcare of students. Sherig Bhutan

We look forward to your ongoing collaboration in expanding such impactful projects in the future.

09/03/2026

We truly appreciate your continued support to promote dicasting conferences led screen. Looking forward to working with you in near future.Khesar Gyalpo University of Medical Sciences of Bhutan.Faculty of Traditional Medicine. Faculty of Nursing and Public HealthCollege Of Science And Technology.Bhutan Power Corporation Limited

09/02/2026

P4 outdoor led installed at Samdrupjongkhar Thromde.

29/06/2025

The pilot project for the solar street light 30W installation work completed successfully.

07/06/2025

We are now promoting Solar evacuated tubes which is more efficient thermal collector used to capture and convert sunlight into heat, primarily for water heating applications. They consist of a series of glass tubes, each containing a vacuum that serves as an insulating layer, which helps to minimize heat loss. Their design and functionality make them a popular choice for both residential and commercial solar heating systems.

The working Principle:

1. Absorption of Solar Energy: Solar radiation enters the evacuated tubes and is absorbed by the inner surface, which heats the fluid inside.
2. Heat Transfer: The heat is transferred to the water or heat transfer fluid circulating through the system, either through direct flow or via a heat pipe mechanism.
3. Storage: The heated water is then stored in a tank for later use, such as for domestic hot water, space heating, or swimming pool heating.

Advantages:

1. High Efficiency: Evacuated tubes can achieve higher efficiencies than flat plate collectors, especially in colder climates, due to their superior insulation properties.
2. Performance in Low Light: They perform well even on cloudy days and in low-light conditions, making them suitable for a variety of climates.
3. Space-Efficient: The design allows for a higher temperature output in a smaller area, making them ideal for installations where space is limited.
4. Durability: The robust glass construction can withstand harsh weather conditions, including hail and high winds.

Applications:

1. Domestic Hot Water Systems: Commonly used in residential settings for heating water for showers, washing, and other domestic uses.
2. Swimming Pool Heating: Effective for maintaining comfortable swimming pool temperatures.
3. Industrial Applications: Used in various industrial processes requiring hot water or steam.
4. Space Heating: Can be integrated into heating systems for homes or commercial buildings.

In summary, solar evacuated tubes are an efficient and versatile option for harnessing solar energy, particularly in applications where high-temperature output and insulation are essential. Their design and functionality make them a popular choice for both residential and commercial solar heating systems.

11/05/2025

We have successfully completed the installation and commissioning of 1000LPD Solar water heating systems (ETC type ) at Pangri Zampa college for Astrology and Bhutan livestock development corporation Ltd.