Boyun New Materials (002297.SZ): Boyun Dongfang has not yet supplied high-end drill needle blank products to Zhongtung High-tech subsidiary Jingzhou Precision Machinery from 2026 onwards.

Smart Finance APP News, Boyun New Materials (002297.SZ) announced that the closing price of the company's stock has deviated by more than 20% for three consecutive trading days (June 16, June 17, and June 18, 2026). According to the relevant provisions of the "Shenzhen Stock Exchange Stock Listing Rules", this is considered abnormal stock trading volatility. The company is mainly engaged in the research and development, production, and sales of aircraft wheel brake systems and brake materials, aerospace carbon/carbon composite materials, high-performance hard alloys, and rare metal powder materials. In 2025, the company's operating income was 910 million yuan, with commercial aerospace product operating income of over 2 million yuan, accounting for less than 1% of the main business income. As of now, the company's commercial aerospace products have not yet confirmed sales revenue for the year 2026.