Revenue and Profit Growth - Revenue for the first quarter of 2023 increased by 42.72% to RMB 696,215,270.03 compared to the same period last year[3] - Total operating revenue for Q1 2023 reached 696,215,270.03 yuan, a significant increase from 487,835,861.17 yuan in the same period last year[11] - Net profit attributable to shareholders of the listed company increased by 3.38% to RMB 41,816,374.29 year-over-year[3] - Net profit attributable to shareholders after deducting non-recurring gains and losses increased by 33.85% to RMB 35,547,545.85 compared to the same period last year[3] - Net profit attributable to the parent company's owners was 41,816,374.29 yuan, compared to 40,450,172.92 yuan in the same period last year[12] - Basic earnings per share for Q1 2023 were 0.0335 yuan, slightly higher than 0.0320 yuan in the same period last year[13] - Total comprehensive income for Q1 2023 was 44,966,145.92 yuan, compared to 42,787,828.49 yuan in the previous year[13] Operating Costs and Expenses - Operating costs for Q1 2023 were 642,480,575.60 yuan, up from 457,554,986.18 yuan in the previous year[11] - R&D expenses increased to 49,283,892.11 yuan in Q1 2023, up from 40,416,274.64 yuan in the previous year[12] Cash Flow and Financial Activities - Operating cash flow decreased by 13.88% to RMB -196,813,448.29 year-over-year[3] - Net cash flow from financing activities increased by 209.22% to RMB 67,167,998.33 due to increased bank borrowings[5] - Total cash inflow from operating activities increased to 491.19 million, up from 361.41 million in the previous period[15] - Cash received from sales of goods and services rose to 451.01 million, compared to 327.87 million in the prior period[14] - Cash outflow for purchasing goods and services surged to 412.94 million, up from 216.83 million[15] - Net cash flow from operating activities was negative at -196.81 million, compared to -172.83 million in the previous period[15] - Net cash flow from investing activities decreased to 90.06 million, down from 143.39 million[15] - Net cash flow from financing activities turned positive at 67.17 million, compared to -61.50 million in the prior period[15] - Total cash and cash equivalents at the end of the period stood at 684.96 million, down from 725.67 million at the beginning[15] - Cash received from other investing activities increased significantly to 698.95 million, up from 288.57 million[15] - Cash paid for other investing activities rose sharply to 602.00 million, compared to 117.00 million in the previous period[15] Assets and Liabilities - Accounts receivable increased by 52.86% to RMB 619,227,194.81 due to the growth in revenue[5] - Prepayments increased by 48.77% to RMB 415,243,058.65 due to increased procurement and inventory preparation[5] - Contract liabilities decreased by 39.64% to RMB 168,905,357.63 due to project acceptance[5] - Cash and cash equivalents decreased to 795.32 million yuan from 841.21 million yuan at the beginning of the year[9] - Accounts receivable increased to 619.23 million yuan from 405.10 million yuan at the beginning of the year[10] - Prepayments increased to 415.24 million yuan from 279.13 million yuan at the beginning of the year[10] - Inventory decreased to 721.09 million yuan from 867.17 million yuan at the beginning of the year[10] - Total current assets increased slightly to 3.15 billion yuan from 3.13 billion yuan at the beginning of the year[10] - Total non-current assets decreased to 1.35 billion yuan from 1.37 billion yuan at the beginning of the year[10] - Total assets increased slightly to 4.50 billion yuan from 4.49 billion yuan at the beginning of the year[10] - Short-term borrowings increased to 549.57 million yuan from 465.36 million yuan at the beginning of the year[10] - Contract liabilities decreased to 168.91 million yuan from 279.84 million yuan at the beginning of the year[10] - Employee benefits payable decreased to 35.94 million yuan from 76.26 million yuan at the beginning of the year[10] - Total liabilities decreased to 1,801,745,220.90 yuan from 1,851,516,886.13 yuan in the previous period[11] - Total equity increased to 2,701,317,629.28 yuan, up from 2,641,388,934.63 yuan in the previous period[11] Investment and Other Financial Metrics - Investment income decreased by 63.12% to RMB 3,034,962.12 compared to the same period last year[5] - The total number of ordinary shareholders at the end of the reporting period was 187,271[6] - The company's first quarter report was unaudited[16]