高新兴：公司主营业务是车载通信终端和公共安全产品及解决方案

Group 1 - The core viewpoint of the article is that Gaoxin Technology (300098) emphasizes the importance of PCBA boards in modern industrial electronic products and highlights its main business focus on vehicle communication terminals and public safety products and solutions [1] Group 2 - The company integrates and manufactures its primary products based on self-developed PCBA boards [1]