Name: Aluminum pressure cooker Capacity:5 L, 7L,9L. Surface: Polishing ----Material:Aluminum----Capacity:5 L,7 L,9 L---- Automatic and multiple safety devices: alarm valve, safety valve, gas window, pressure-control valve, blocking reducing device, and automatic locking valve---- Lower handle, protected by fire-protection ring, to prevent lower handle being hurt and loose----Working pressure;63- ...