Previously, the business operated in a wood-paneled space with gold-painted dragon wallpaper on Polk Street in Independence.

[3][4][5] The menu has included Cantonese / Chinese cuisine such as lo mein, Peking duck, and sweet-and-sour chicken.

Linan (or Li Nan)[9] Feng, who previously worked at Ocean City Seafood Restaurant and Wong's King in Portland,[10] is a chef and owner.

[15] During the COVID-19 pandemic, Happy Dragon experienced declined sales because of indoor dining restrictions as well as racial discrimination.

They said the business "quickly earning enthusiastic word of mouth praise for its Cantonese fare" following the move to Portland and called the Peking duck "the best in town".