[Four-connected board Jitai Co., Ltd.: Liquid-cooled silicone oil did not achieve any sales in the first half of 2026] On September 3, Jitai Co., Ltd. (002909.SZ) announced that the deviation from the closing price increase of the company’s stock for two consecutive trading days amounted to 22.39%, which is an abnormal fluctuation in stock trading. After self-examination and verification with the controlling shareholder and actual controller, there is no significant information that should be disclosed but has not been disclosed. The company's liquid cooling silicone oil did not achieve any sales in the first half of 2026. The product is currently in the internal application verification stage and needs to be simultaneously verified by customers; only after the relevant verification is completed and meets the requirements can it enter the small batch production stage.