Imports In 2022, Brunei imported $82.6k in Polyphosphates of metals except sodium triphosphate, becoming the 132nd largest importer of Polyphosphates of metals except sodium triphosphate in the world. At the same year, Polyphosphates of metals except sodium triphosphate was the 1845th most imported product in Brunei. Brunei imports Polyphosphates of metals except sodium triphosphate primarily from: China ($54.7k), Singapore ($26.5k), and Malaysia ($1.39k).