Imports In 2021, Brunei imported $9.96k in Chloromethane and chloroethane, becoming the 0th largest importer of Chloromethane and chloroethane in the world. At the same year, Chloromethane and chloroethane was the 0th most imported product in Brunei. Brunei imports Chloromethane and chloroethane primarily from: N/A.