Airplane, represents the yearning for freedom, flying freely in the sky.
Key chain, is People's Daily Necessities.
According to the shape of the aircraft, custom the keychain.
Every day, people carry key rings shaped like airplanes with them, which represent people's longing for a free life.
They will virtually produced a power,a power in order to live freely, in order to fly to the blue sky and efforts.
They can also be given as gifts to friends,a wish for a friend to be happy and free every day.