GD-268 Oil Carbon Residue Tester

GD-2430 Engine Coolant Freezing Point Tester

GD-262 Light Oil Aniline Point Tester

GD-508 Oil Ash Content Tester

GD-7305 Turbine Oil Demulsibility Tester

GD-270A Lubricant Grease Dropping Point Tester

GD-264A Transformer Oil Acid Number Tester

GD-255A Asphalt Distillation Tester

GDE-1C Asphalt Engler Viscometer Asphalt Viscosity Tester

GDE-1A Petroleum Oil Engler Viscometer

GD-380B Gasoline Sulhpur Content Tester (lamp method)

GD-1884 Petroleum Oil Density Meter/Liquid Oil Density Meter

GD-265E Asphlat Kinematic Viscosity Tester/ Oil Capillary Viscometer

GD-8929 Crude Oil Water Content Tester/Oil Testing Instrument

GD-2122 Liquid Oil Water Content Tester/Oil Testing Instrument

GD-260A Lubricant Grease Water Content Tester/Grease Tester

GD-261A Oil Tester for Testing Flash Point(Pensky-Martens Closed Cup)

ZJC-T Vacuum Turbine Oil Purifier/Oil Filter/Oil Regenerator

DYJC Turbine Oil Purifier/Ship Oil Filter/Vessel Oil Filter

BZL Explosion-proof Vacuum Oil Purifier