buying purple sand pot services

1.Purple sand pot can keep the tea and coffee in fresh taste 3 days without changing, teapot surface with very beautiful shape, it can combine the picture, caliigraphy and engraving together, so it with artistic culture purple clay is a rare earth, from scientific research, purple clay does not contain lead, arsenic, cadmium, chromium, and other toxic materials which do harm to human healthy, whereas the research proves that purple clay contains SiO2, Al2O3, Fe2O3, MgO, CaO, these minerals are so good for healthy, such as control high blood pressure, limit complications of congestive heart failure,prevent diabetes complications and ease muscle cramps, aches and pains etc. com