Elegant demeanor

On December 11,2016,natong technology oxygen production machine entered the national sports system to ensure zero hypoxia and zero fault;Praised by national sports administration leaders and foreign trainers!"Red in the desert cup"first China qinghai international curling invitational tournament in qinghai toba national plateau sports training base from the world curling power Canada,Sweden,Switzerland,the United States,Russia and other 11 countries men's and women's curling team 16 teams gathered at toba training base.