1, Pre-wash, using the spray nozzle to reducing or removing any greasy stuffs.
2, Key wash, giving high pressure spray all around with hot water, add soda or washing-up liquid if needed.
3, Rinsing, spraying all sides with clear water to avoid leaving stains and water marks on the bottle after drying.
These three-stages have an independent circulating filter water tank except the last stage. The clear water is recycled as supplementary water to the second-stage water tank after heating, and part of the sewage is automatically discharged.