诺瓦星云：公司下属子公司嗨动视觉有音频扩声相关产品

Core Viewpoint - Nova Star Cloud (301589) has announced through its interactive platform that its subsidiary, Hi-Dong Vision, provides audio amplification products and offers comprehensive audio-visual solution services to clients [1] Group 1 - The company operates under the name Nova Star Cloud [1] - The subsidiary Hi-Dong Vision specializes in audio amplification products [1] - The company focuses on delivering integrated audio-visual solutions to its customers [1]