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Shaanxi natong Machinery Technology Co., Ltd
Building 2, Qinhan entrepreneurship center, Xixian New District, Shaanxi Province
What is the oxygen content of medical oxygen?
Dec,2019
The national standard for the purity of bottled medical oxygen is≥99.5%,and there is no national standard for the oxygen produced by oxygen generator.For bottled medical oxygen...
standard,bottled