Hanjian Heshan has announced that the cumulative deviation in the increase of its stock's closing price over three consecutive trading days has reached 20%, constituting unusual fluctuations in stock trading. The company affirms that its current production and operations remain normal, with no significant changes observed in its internal or external operating environment, nor in its primary business. Hanjian Heshan specializes in the manufacture of Prestressed Concrete Cylinder Pipes (PCCP), with the majority of its sales contracts secured through competitive bidding. Nonetheless, the market is highly competitive, posing a risk of unsuccessful bids.