EHD

Scientific research and laboratory apparatus for testing the properties of fuels, oils and lubricants; Educational apparatus for measuring the viscosity and abrasiveness of fuels, oils and lubricants; electronic simulators for testing the quality of fuels, oils and lubricants; Measuring, detecting and monitoring instruments, indicators and controllers for testing the viscosity and abrasiveness of fuels, oils and lubricants; Testing and quality control devices for testing the viscosity and abrasiveness of fuels, oils and lubricants; Measuring, counting, alignment and calibrating instruments for the viscosity of fuels, oils and lubricants; Material testing apparatus for testing the viscosity of fuels, oils and lubricants; Material testing instruments and machines for the viscosity of fuels, oils and lubricants; Resistance testing apparatus for the viscosity of fuels, oils and lubricants; Fuel quality testing apparatus; Oil quality testing apparatus