Usage

   1. Metal heating treatment: nitrogen protection bright annealed, metal powder sintering nitrogen protection, gas carburizing    quench, etc.

   2. Chemical Industry: mainly used for protection air, replacement air and washing air to ensure safety of production.
   3. Electronic Industry: used for producing electronic parts and production line nitogen protection. 

   4. Food Industry: using nitrogen protection to store vegetables, fruits, seeds and tea, etc.
   5. Medical Industry: inflating the nitrogen into medicine for package and delivery.

   6. Other Industry: eg. the nitrogen protection in the floats law glass production line.