From Chinatown MRT Exit E: take any bus Chinatown Point bus stop (1 stop down) to CK Store (In front of Chinatown Complex)
Walk along the alley at right hand side of CK Store (Along Keong Siak Road)
You will see 101 Fruit stall on your left, do a right turn after 101 Fruit.
At the end of the short alley, turn left and you will see the lifts at staircase 4 that would take you to Yong-en. (Level 3)