GD-4508J Asphalt Ductility Tester

GD-F02-20 Automatic Mixture Blender

GD-0702A Marshall Electric Compaction Tester

GDNY-1A Slurry Test Package (Three-piece Suit)

GD-0633 Liquid Petroleum Asphalt Flash Point Tester (Tag Open Cup Method)

GD-0613A Automatic Bitumen Breaking Point Tester

GD-0610 Asphalt Rolling Thin Film Oven (85 Type)

GD-XY150 Rotatory Compactor

GD-510G-I Petroleum Products Solidifying pour Point Tester (Solidifying Point and Cold Filter Plugging Point)

GDD-510G-II Petroleum Products Solidifying Point Tester (-20 ℃~80 ℃)

GD-510Z-1 Automatic Pour Point Tester

GD-262 Aniline Point Tester

GD-262A Aniline Point Tester

GD-508 Ash Content Tester

GD-30011 Carbon Residue Tester (Digital Temperature Controlled Electric Furnace Methods)

GD-706 Self-ignition Point Tester

GD-11132 Liquid Petroleum Products Hydrocarbon Tester

GD-6532 Crude Petroleum and Petroleum Products Salt Content Tester

GD-3554 Petroleum Wax Oil Content Tester

GD-12579 Lubricating Oils Foaming Characteristics Tester