力源信息：公司全资子公司南京飞腾一直有开展PCBA相关业务

Group 1 - The core viewpoint of the article highlights that Liyuan Information's wholly-owned subsidiary, Nanjing Feiteng, is actively engaged in PCBA-related business [2] - Nanjing Feiteng operates a modern anti-static workshop covering an area of 15,000 square meters, equipped with advanced automated, intelligent, and environmentally friendly production inspection equipment [2] - The company has invested in fully automated high-speed SMT lines and automatic plug-in assembly lines, which provide robust hardware support for the production and processing of PCBA-related activities [2]