Purchase Qty. Reference FOB Price
1-19 Pieces US$20.00
20+ Pieces US$15.00
Product Description
Introduction of Mining Oxygen Breathing Small Chemical Oxygen Self-Rescuer ZH Chemical oxygen self-rescuer is a self-rescuer that generates oxygen through a chemical reaction. None reusable. Mainly used in coal mines or ambient air pollution and toxic gases occurring hypoxic choking hazard, the ...