Happy 20th Anniversary of Riau Islands Province September 19, 2022 INFO-Hi #SobatPolibatam, the academic community of the Politeknik Negeri Batam, wishes, “Happy 20th Anniversary of Riau Islands Province”. Kepri recovers, Kepri is Prosperous.Greetings Polibatam… #Polibatam #Kepri #Anniversary #20th