ZH30 ZH45 ZH60 Isloalted Chemical Oxygen Self Rescuer For Coal Miners is individual breathing protection equipment which is made based on the principle of oxygen generation by chemicals.
ZH30 Chemical Oxygen Self Rescuer is individual breathing protection equipment which is made based on the principle of oxygen generation by chemicals.
Self Contained Chemical Oxygen Self Rescuer is Isolated Positive Pressure Oxygen Breathing Apparatus and used for personal protection, with reliable performance, comfortable carrying and convenience f
ZFJ-1 Self Rescuer Negative Pressure Air Tightness Tester is a device used to check self-rescuer air tightness with the advantages of Reliable performance, accurate detection, intuitive, easy to insta