Imports In 2022, Bhutan imported $558k in Aluminium Doors, windows, frames and thresholds, becoming the 187th largest importer of Aluminium Doors, windows, frames and thresholds in the world. At the same year, Aluminium Doors, windows, frames and thresholds was the 284th most imported product in Bhutan. Bhutan imports Aluminium Doors, windows, frames and thresholds primarily from: China ($513k) and India ($45.5k).