1. DSY-003A distillation tester
2. DSY-003ZA automatic distillation tester
3. DSY-002A closed flash point tester
4. DSY-201Z automatic open flash point tester
5. DSY-001B flash point and fire point tester
6. BN-202 asphalt wax content tester
7. BN-061 cone penetrometer
8. BN-003 mechanical impurity tester
9. BN-040 lubricating oil foam characteristic tester
10. BN-216 carbon residue tester for petroleum products TAG：