普元信息：第三季度营业收入同比下降主要系公司持续缩减低毛利技术服务类业务，聚焦高质量核心业务所致

Group 1 - The core viewpoint of the article is that the company's revenue decline in the third quarter is attributed to its strategic decision to reduce low-margin technical service businesses and focus on high-quality core businesses driven by products [2][3] Group 2 - The company reported a year-on-year decrease in operating revenue for the third quarter [2]