Core Viewpoint - The company, Dingxin Communication, focuses on research, production, and sales of power line carrier communication and smart grid equipment, with core business areas in smart meter data transmission, power safety protection, and fire safety services [1] Group 1: Business Operations - The company's core business has not undergone significant changes [1] - The company is currently under a market ban period from State Grid Corporation of China and China Southern Power Grid Co., Ltd, urging investors to be cautious about investment risks [1] Group 2: Technology Collaboration - The company has signed an authorization agreement with Pingtouge, which grants the company the usage rights of E801/E802/E803 technologies for independent chip development [1] - The authorized technology is exclusively for the development of MCU chips related to traditional power and safety products, specifically for smart meters and security products, with no connection to AI intelligent reasoning chips [1] - There are no other business collaborations between the company and Pingtouge beyond the mentioned technology authorization [1]