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© Provided by Xinhua BEIJING, June 8 (Xinhua) Air purifiers which once had been a must for many urban citizens in China have gradually fallen out of

Cheng baopingParty of china central committeeYadu technology group co ltdShenzhen based zhongshangCommunist partyChina central committeeState councilUrifier manufacturersAir pollutionPurifier industryThe reportSeveral years