Group 1 - The core point of the article is that Nanling Technology (SZ 300921) announced a scheduled investor research meeting with Changsheng Fund on July 28, 2025, where the company's board secretary, Yu Li, will participate and address investor inquiries [2] Group 2 - For the year 2024, the revenue composition of Nanling Technology is as follows: Other sectors account for 24.15%, Manufacturing accounts for 23.45%, Information Transmission, Software, and IT Services account for 20.75%, Wholesale and Retail account for 17.96%, Financial Services account for 7.47%, and Leasing and Business Services account for 6.22% [2]