1. Insert the handle into the slot of the electrical appliance base, and turn the handle slightly after insertion.

2. Tighten the locking button at the bottom of the handle to ensure that the handle is closely connected with the electrical base.

3. Insert the power cord of the handle into the power socket of the electrical appliance base, then confirm that the power cord plug is closely connected with the socket, plug in the power supply, and complete the installation of the handle fittings of Supor pressure cooker.