Group 1 - The State Intellectual Property Office of China has published a patent application by Shandong Guodun Network Information Technology Co., Ltd. for an electronic signature processing method and system related to housing fund business process data, with publication number CN120297920A and application date of June 2025 [1] - The patent involves a method for processing housing fund contracts in PDF format, extracting key data and compensation data, and assessing tampering risks through hash value calculations [1] - The company has been active in the software and information technology services sector since its establishment in 2016, with a registered capital of 50 million RMB [2] Group 2 - Shandong Guodun Network Information Technology Co., Ltd. has made one external investment, participated in 56 bidding projects, and holds 4 patents along with 9 trademark registrations [2] - The company has also obtained 15 administrative licenses, indicating a diverse operational capability within its industry [2]