Core Viewpoint - Sifang New Materials (605122.SH) announced that its stock price has experienced an abnormal fluctuation, with a cumulative increase of 20% over two consecutive trading days [1] Company Overview - The company primarily engages in the research, production, and sales of ready-mixed concrete, and also produces construction sand and gravel aggregates [1] - The main sales market for the company's products is Chongqing [1] Business Operations - A self-examination by the company revealed that there have been no significant changes in its main business, daily production operations, or external operating environment [1] - The company confirmed that there are no major undisclosed matters that should have been disclosed [1]