Saiwei Electronics (300456.SZ): Xindonglai's lithography business is a mature process and does not involve advanced manufacturing

Zhitong Finance App News, Saiwei Electronics (300456.SZ) announced that the daily closing price increase deviation value of the company's stock over three consecutive trading days (November 19, 2025, November 20, 2025, November 21, 2025) has accumulated more than 30%, which is an abnormal fluctuation in stock trading.

According to the announcement, Sweden's Silex recently held a board meeting to discuss and decide on IPO-related matters, that is, Sweden's Silex plans to launch IPO-related work and set a preliminary schedule, but specific details such as valuation, equity structure, financing scale, accurate timing, and future plans need to be based on the specific results of Sweden's Silex follow-up work and implementation, and there is uncertainty. The relevant arrangements for the company's current 45.24% stake in Sweden's Silex will also be considered in an integrated manner based on various factors such as the company's overall strategic development and Sweden's Silex plan, and based on the specific results of follow-up work carried out and achieved. There is also uncertainty.

A MEMS-OCS manufactured by Xilex Microsystems Technology (Beijing) Co., Ltd. (“Xilex Beijing”), a holding subsidiary of the company, passed customer verification. Xilex Beijing received a purchase order from the customer and began small-batch trial production of the first batch of MEMS-OCS 8-inch wafers. As of the disclosure date of this announcement, the MEMS-OCS chip manufactured by Xilex Beijing has not yet entered the large-scale mass production stage. According to the rules of industry development and the actual operation experience of the company's previous domestic and foreign production lines, the company is not yet able to accurately predict the time required for the MEMS-OCS chip from small-batch trial production to large-scale mass production and the volume of orders that may be brought about in the future, and there is objectively uncertain.

Earlier, on November 18, 2025, the company disclosed the “Notice Concerning the Proposed Purchase of Part of the Shares and Related Transactions of Beijing Xindonglai Semiconductor Technology Co., Ltd.” The company plans to purchase part of the shares in Beijing Xindonglai Semiconductor Technology Co., Ltd. (“Xidonglai”) at a total transaction price of no more than 60 million yuan. As of the disclosure date of this announcement, the trading company has not carried out an equity transaction with a potential counterparty; Xindonglai's lithography machine business is a mature process and does not involve advanced processes, and Shindonglai may face various risks such as operation management and market competition in actual operation. In the short term, the supporting role of the company in reducing the supply risk of key core equipment and increasing the application ratio of domestic equipment may be limited, and the company faces the risk that it may not be able to achieve the intended investment goals.