Order from Oolong Yuan Cafe to enjoy some of the best Bubble Tea in Portland. Looking to find the cheapest way to order Oolong Yuan Cafe? Choose the most affordable delivery option listed here. Because they deliver in Portland, you can enjoy Oolong Yuan Cafe in the comfort of your own home. Don’t wait another day to treat yourself to their delicious Bubble Tea! Check out the full Oolong Yuan Cafe menu below.