During the heat treatment process, the application range of oxygen probes is very extensive, including various types of metal heat treatment furnaces, vacuum furnaces, laboratory furnaces, material annealing furnaces, ceramic kilns, etc. It is not only suitable for carburizing furnaces but also for other industrial heating devices that require atmosphere control, such as metallurgy, electricity, cement industries, etc. The power of a ship is in its sails, and the power of a person is in their heart.