Core Viewpoint - The company received an inquiry letter from the Shanghai Stock Exchange regarding its 2024 annual report, prompting a detailed response concerning its engineering business and contract assets [1]. Group 1: Engineering Business and Revenue - In 2024, the company's engineering construction and other businesses generated revenue of 803 million yuan, a slight increase of 0.94% year-on-year, with a gross profit margin of 34.52%, down 4.85 percentage points from the previous year [1]. - The year-end balance of contract assets was 222 million yuan, a significant increase of 150.8% year-on-year, primarily due to completed engineering projects that had not yet reached the collection point [1][9]. - The company reported a cumulative provision for bad debts of 12.55 million yuan [1]. Group 2: Revenue Breakdown and Margin Analysis - The revenue breakdown for engineering construction and other businesses included: - Expansion projects: Revenue of 272.27 million yuan, gross margin of 46.21% - Old community renovation: Revenue of 193.35 million yuan, gross margin of 23.19% - Power distribution projects: Revenue of 164.88 million yuan, gross margin of 15.71% - Service business: Revenue of 114.86 million yuan, gross margin of 65.89% - Wastewater treatment: Revenue of 10.54 million yuan, gross margin of 13.98% - Others: Revenue of 47.51 million yuan, gross margin of 7.56% [3]. - The gross profit margin for expansion projects decreased from 55.88% to 45.37% due to the impact of the real estate market [3]. Group 3: Contract Assets and Bad Debt Provisions - The company’s contract assets primarily consist of completed but unsettled engineering business. The major projects include old community renovation projects, with clients mainly being government units with good credit [5][10]. - The company has a bad debt provision policy based on aging, with a 5% provision for assets aged within one year and a higher percentage for older assets [5]. - The company believes that the basis for the provision for bad debts is sufficient, given the long settlement cycles of the projects [5][10]. Group 4: Audit and Compliance - The annual audit confirmed that the company’s revenue recognition policies comply with accounting standards, and there were no indications of premature revenue recognition [9][14]. - The audit procedures included reviewing cost occurrence data, settlement documents, and project completion records to ensure the reasonableness of revenue recognition [9][14].