Organic Germanium: release negative ions to neutralize the dirty positive ions in the hot water more than 32 degree.
Tourmaline: The unique gem mineral which can self polarization discharge under the nature state in the world.
Maifan Stone: has the feature of porous, absorb the stain in the water, can adjust the PH value to weak alkaline.
Inorganic Antibacterial materials: eliminate various pathogens in water safe and effectively.
Pottery clay: Sustainable to maintain the water temperature.
