Imports In N/A, Thailand imported $3.36M in Processed Mica, becoming the N/A largest importer of Processed Mica in the world. At the same year, Processed Mica was the N/A most imported product in Thailand. Thailand imports Processed Mica primarily from: China ($2.17M), Vietnam ($259k), Germany ($231k), Japan ($184k), and Belgium ($92.4k).