Tonga Imports from China of Hydraulic Brake Fluids, Other Prepared Liquids for Hydraulic Transmission was US$697 during 2022, according to the United Nations COMTRADE database on international trade. Tonga Imports from China of Hydraulic Brake Fluids, Other Prepared Liquids for Hydraulic Transmission - data, historical chart and statistics - was last updated on February of 2026.