Discount 10% on bill (before VAT & service charge if any) up to 500,000 VND on the bill.Applied from Monday to Friday every weekNot applicable on Tet holidaysNot applicable with other promotionsValid at all restaurants: Hoang Yen Vietnamese Cuisine, Hoang Yen Hotpot, Hoang Yen Buffet, Hoang Yen Buffet Premier, Trong Com, Chao Ca, STIX (STIX only applies to Alacarte Menu, not for banquet guests ) Vadility date: 01/05 - 31/08/2021