Group 1 - The company, Bohai Chemical (600800), expects a net profit attributable to shareholders of approximately -380 million to -340 million yuan for the first half of 2025 [1] - After excluding non-recurring gains and losses, the expected net profit attributable to shareholders is around -378 million to -338 million yuan for the same period [1] - The chemical industry is facing a dual challenge of overcapacity and weak demand in the first half of 2025, particularly affecting the PDH sector [1] Group 2 - The market supply-demand imbalance, combined with the impact of propane import tariffs, is increasing the company's raw material procurement costs [1] - The operational pressure on the company is significantly rising due to these challenges in the industry [1]