Dosilicon(SH:688110) Zhi Tong Cai Jing·2025-07-30 12:36Core Viewpoint - Dongxin Co., Ltd. (688110.SH) experienced a significant stock price fluctuation, with a cumulative closing price deviation of 30% over three consecutive trading days from July 28 to July 30, 2025, indicating abnormal trading activity [1] Group 1 - The company announced that its stock price has deviated significantly, triggering monitoring regulations from the Shanghai Stock Exchange [1] - Recent media reports highlighted the company's investment in Lishuan Technology (Shanghai) Co., Ltd., which has launched its first self-developed GPU chip "7G100" and the first graphics card product Lisuan eXtreme [1] - The related chip products are currently undergoing optimization, with plans for customer sampling and mass production, although no revenue has been generated yet [1] Group 2 - The development of the chip must go through product certification and customer onboarding before achieving sales [1]