Technical parameters: 
 Oxygen flow rate L / min 3L 
 ≥ 90% oxygen concentration 
 Output pressure 0.04-0.06 Mpa 
 ≤ 53 db operating noise 
 Output power 380 VA 
 Weight 23 Kg 
 Dimensions 380 × 310 × 600 mm 
 Domestic molecules with timing, timing 
 The first oxygen machine manufacturers do 
 Company Profile: China's oldest manufacturer of oxygen; part of Beijing North Star Group (Hong Kong listed company) Contact: Zhang Ran QQ: 5.6.5.9.0.5.1.1.2 
 Phone :010-51 .9.2.2.5.72 
 Come Web site for more information: http #://# www. # Ehui # gou. # Com / (remove the #) 
 Address: 47 Fuxing Road, Haidian District, Beijing Jian Business Building, No. Sky # 1605