1. BY-24A high temperature anti foam tester for lubricating oil
2. BY-24 anti foam tester for lubricating oils
3. BY-23 corrosion testerBY-05C distillation range tester (double tube)
4. BY-85 colorimeter
5. BY-42 mechanical impurity tester for petroleum products and additives
6. BY-41 acid value tester
7. BY-39 sulphate ash tester
8. BY-26 freezing point tester
9. BY-19 copper strip corrosion tester for petroleum products
10. BY-18 density tester for petroleum products TAG：