Public address system

Innovative ways to bring election information closer to the people.

Báo Đại biểu Nhân dân

14/03/2026

Lai Chau: Practical effectiveness from the border guard's public address system.

Báo Quân đội Nhân dân

06/09/2025

The ambition to conquer the world starting with 'street loudspeakers'.

VietNamNet

22/10/2024