Coseteng leads cultural event to mark 50th year of PH-China diplomatic tiesbr br Former senator Nikki Coseteng leads the launch of a three-day cultural event to highlight the 50th Anniversary of diplomatic relations between the Philippines and China on Oct. 2, 2025. With Coseteng were Chinese embassy officials, business leaders and Quezon City Mayor Joy Belmonte.br br Video by Arlie O.