三维工程：关于参加山东辖区上市公司2020年度投资者网上集体接待日活动的公告

Group 1: Event Details - The company will participate in the "2020 Annual Investor Online Reception Day" on September 29, 2020, from 15:00 to 16:55 [1] - The event will be held on the online platform provided by Shenzhen Panorama Network Co., Ltd [1] - Investors can access the event through the "Panorama Roadshow" website [1] Group 2: Communication and Participation - The company's board secretary, Mr. Feng Yiyuan, will engage in online communication with investors [1] - The company encourages widespread participation from investors [1] Group 3: Assurance of Information Disclosure - The company and its board guarantee that the disclosed information is true, accurate, and complete, with no false statements or significant omissions [1]