[main materials]: tourmaline, high-quality clay and other basic materials　　The drinking water treated by tourmaline activation ball has the following characteristics:　　1...

　　Vermiculite is a kind of natural, non-toxic mineral, which will expand under high temperature. It is a rare mineral, belonging to silicate. Its crystal structure is m...

Huabang tourmaline　　Use of tourmaline:　　Because tourmaline has unique physicochemical properties such as piezoelectricity and thermoelectricity, it has far-infrared electromag...