中天火箭：公司炭/炭热场材料业务板块出现亏损

Group 1 - The core point of the article is that Zhongtian Rocket (003009) announced a significant stock price decline, with a cumulative drop of 21.65% over three consecutive trading days [1] - The company's carbon/carbon heat-resistant material business is adversely affected by intensified competition in the photovoltaic industry, leading to lower-than-expected market performance [1] - The decline in product sales prices has resulted in losses for this business segment, significantly impacting the consolidated financial statements of the listed company [1]