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Qingdao ameity air purification tech Co., Ltd.product Ecological level Efficient Negative-ion generator the instrument release essence of nature- Negative-ion, one can sit close at it to breath more Negative-ion than the ***ce we live in times of healthy negative ions, like the sea side and forest, you can at home enjoy fresh and health air. concentrations of anions such as 800-1000 per square meter can meet normal physiological needs of humanity, but very powerful indoor and outdoor environmental pol...
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