1. Abnormal Stock Trading Situation
Yingfang Microelectronics Co., Ltd. (hereinafter referred to as "the Company") stock (stock abbreviation: Yingfang Micro, stock code: 000670) has experienced a cumulative closing price increase exceeding 20% over three consecutive trading days (May 22, May 25, and May 26, 2026). According to the relevant regulations of the Shenzhen Stock Exchange (hereinafter referred to as "SZSE"), this constitutes an abnormal trading situation.