... -9mm.Introduction and usage: Red Medical ball is a natural health healing stone, it's magical effects in China have ... widely applied to the "healthy healing stone" is. Stone mineral water contain potassium, sodium, calcium, magnesium, phosphorus, titanium, vanadium, ... healthy, food and beverage lifeline. Stone is the ideal water purification, water, it to improver lead, cadmium and mercury, arsenic, ...