Negative ions powder application 5
2019-07-26 17:22:23 tourmaline powder,negative ions powder,alkaline ceramic ball supplier - MEICONG MINERALS CO.,LTD Read
Practice has shown that the negative ions called "vitamins of the air" are very beneficial to human health. Therefore, some medical scientists simulate the role of thunderstorms. When the ratio of negative ions to positive ions is controlled to a certain amount, it is difficult for asthma, burns and ulcers. And the treatment of other traumas has a promoting effect; the above ratio can also reduce indoor bacteria.