Petroleum Analysis Instrument
- DSHD-11132 Oil Hydrocarbon Tester
- DSHD-3536 Manual Cleveland Open Cup Flash Point Tester ASTM D92
- DSHD-QX-D Octane Cetane Number Tester
- DSHD-5096 Corrosion Tester
- DSHD-0175 Distillate Fuel Oils Oxidation Stability Tester
- DSHD-264B Automatic Total Acid Number/ Total Base Number Tester
- DSHD-0206 Transformer Oils Oxidation Stability Tester
- DSHY2101-I Automatic oxidation stability tester of petroleum (induction period method)
- ：DSHY2002-I Automatic saturated vapor pressure tester (Reid method)
- DSHD-8017 Vapor Pressure Tester (Reid Method)