How long can you use an ordinary pressure cooker?
Specific test method, you can put the pressure cooker on a piece of glass, gently poke it with your hand
Because the length of life is too long, the safety factor is correspondingly reduced, for you and your family security, please go to this age, or let it back down
According to the national ordinary pressure vessel, the pressure cooker has a service life of 8 years
if it will follow the rotation, indicating that the bottom of the pressure cooker has been bulging deformation
