Negative ion powder is a kind of composite mineral that is artificially synthesized or proportioned by humans using the principle of generating negative ions in nature. It is generally tourmaline powder + lanthanide elements or rare earth elements. The proportion of rare earth elements is much greater than that of tourmaline powder and rare earth elements. Accounted for more than 60%.
Our ion negative powder can release ion negative and far infrared ray. health and natural.
Post time: Jul-19-2021