交建股份：公司及子公司涉9起诉讼，涉案金额5.80亿元

Core Viewpoint - The company announced the occurrence of 9 new significant litigation cases involving a total amount of 580 million yuan, with various types of disputes being reported [1] Group 1: Litigation Details - The new litigation cases include 4 instances where the company is the plaintiff and 5 instances where it is the defendant, all of which are currently under trial [1] - The types of disputes involve construction engineering contract disputes, contract disputes, and sales contract disputes [1] Group 2: Previous Litigation Progress - The company also provided updates on 4 previously disclosed cases, which include retrials, first-instance and second-instance hearings, and suspension of execution [1] - The impact on the company's profits remains uncertain due to the ongoing nature of these litigations [1]