Imports In 2022, Macau imported $3.97k in Propylene glycol (propane-1,2-diol), becoming the 182nd largest importer of Propylene glycol (propane-1,2-diol) in the world. At the same year, Propylene glycol (propane-1,2-diol) was the 2779th most imported product in Macau. Macau imports Propylene glycol (propane-1,2-diol) primarily from: Hong Kong ($3.37k) and China ($603).