Sai Microelectronics (300456.SZ): Xindonglai lithography machine business belongs to mature process, not involving advanced process.

Zhtng Cijng APP xn, Si Wi Dinz (300456.SZ) gnggo, gngs gpio linx sn g jioy r ni (2025 nin 11 yu 19 r, 2025 nin 11 yu 20 r, 2025 nin 11 yu 21 r) r shupn jig zhngf pinl zh li j chogu 30%, shy gpio jioy ychng bdng de qngkung. Zhtng Cijng APP news, Siwei Electronics (300456.SZ) announced that the company's stock prices have deviated by more than 30% over three consecutive trading days (November 19, 2025, November 20, 2025, November 21, 2025), which constitutes abnormal fluctuations in stock trading.