1. Food storing:
Storing for grain, fruit, vegetable etc.
Packing for bread, cake, puffed food etc.
Purification and cover gas filling nitrogen on Juice, cooking oil, beer etc.
2. Pharmaceuticals industry: Nitrogen oxygen insulation on injection, transfusion,oral liquid etc.
3. Chemical industry: Nitrogen blanket, swaging, pipe purging replacement, chemical fiber production gas protection etc.
4. Metallurgical industry:Bright annealing, nitrocementation, powder metallurgy, magnetic material sintering, prevent the
oxidation of the product etc.
5. Mining industry:Mine explosion-proof, put out fire. Cable industry:Crosslinking cable protection gas production.
6. Others: Spaceflight, electron industry,rubber industry etc..