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Nitrogen protection - bleaching of nitrogen pulp - oxygen (ozone) petrochemical catalytic cracking oxygen rich oxygen raw materials, intermediate reactor cold source nitrogen

Oxygen enriched ironmaking - oxygen stainless steel smelting - argon converter, electric furnace steelmaking - oxygen inert protection - nitrogen

Glass oxygen enriched combustion oxygen inert protection nitrogen glass plasticity = oxygen

Oxygen oxygen for medical breathing

Photovoltaic - Argon

Hydrogen power. - Hydrogen

Lithium battery - Oxygen, nitrogen

Inert protection nitrogen packaging nitrogen integrated circuit wafer manufacturing = nitrogen

Cold chain quick freezing nitrogen food packaging nitrogen beverage carbon dioxide and nitrogen

Heat treatment of welding cutting

Ozone denitration oxygen (ozone) water treatment ozone oxidation oxygen (ozone)