airsepfocus USA and Asia proper oxygen Beijing Office Contact 010-64-388768

★ Address: China Beijing suburb reservation delivery direct delivery Chengbaqu the field can be cash on delivery payment transaction remittance transfers ★ Tel: 13,810,637,910 13,911,294,678 Zhang Chen 64388768 Fax: 010-64388768 US AirSep is the only Eight certified by oxygen machine manufacturer, has become the leader in the oxygen industry leader. ◇ USP93XXII (United States Pharmacopoeia) United States Code ◇ ISO / DIS 10083 (International Organization for Standardization) International Organization for Standardization ◇ CE / PED 97/23 / EC (European Standard / Pressure Equipment Directive) European standards / Pressure Equipment Directive ◇ ASME VIII ( American Society of Mechanical Engineers) American Society of Mechanical Engineers ◇ NEMA (National Electrical Manufacturers Association) National Electric Manufacturing Enterprise Confederation ◇ NYFD (New York Fire Department) New York Fire Department ◇ CSA / CRN (Canadian Standards Association / Canadian Registration Number) Canadian Standards Association (Canada's largest safety certification organization) / Canada (software) registration number ◇ NRTL-UL3101.1 (Nationally Recognized Testing Laboratory / Underwriter Lab) nationally recognized testing laboratory - Underwriters Laboratories imported AirSep oxygen machine features: ? production of oxygen concentration is high and stable? stable pressure? complete specifications? Long sieve? failure rate