According to Zhitong Finance App, Guanlong Energy Saving (301151.SZ) released its report for the first quarter of 2024. The company achieved operating income of 148 million yuan, an increase of 0.55% year on year; net profit attributable to shareholders of listed companies was 5.3712 million yuan, up 4.17% year on year; net profit attributable to shareholders of listed companies after deducting non-recurring profit and loss was 5.3712 million yuan, up 6.3% year on year; basic earnings per share were 0.0353 yuan/share.