Listen to 一封甜蜜的信 online. 一封甜蜜的信 is a Chinese language song and is sung by 龍飄飄. 一封甜蜜的信, from the album 龍飄飄, Vol. 7: 就是忘不了你 (修復版), was released in the year 2015. The duration of the song is 2:32. Download Chinese songs online from JioSaavn.