Laos Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to China was US$3.25 Thousand during 2020, according to the United Nations COMTRADE database on international trade. Laos Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to China - data, historical chart and statistics - was last updated on May of 2024.