Mündliche Prüfung »   Customizing Your Waste Oil Distillation Machine for Specific Oil Types

The "one-size-fits-all" approach does not apply to waste oil recovery. Depending on whether you are processing black motor oil, hydraulic fluid, or pyrolysis oil, the chemical composition varies significantly. For Chinese recyclers looking to maximize purity and yield, customizing the distillation machine is a strategic necessity.
https://www.oilrecyclingplant.com/waste-oil-distillation-machine-and-used-oil-treatment-system