Lobang from: https://www.greatdeals.com.sg/2018/12/07/gongcha-1-for-1-drinks-offer-singtel-customers-promotion-december-2018
Getting your daily bubble tea fix from Gong Cha? There’s an offer you Singtel customers might want to know.
From now till 19 December, Singtel customers get to enjoy 1-for-1 drinks at participating Gong Cha outlets (see below for a list of locations).