Core Viewpoint - Su Shi Testing (300416) reported a strong performance in the first half of 2025, with significant revenue and profit growth, indicating a positive outlook for the company's operations and market position [2][7]. Revenue and Profit - The total revenue for the first half of 2025 was 991 million yuan, an increase of 8.09% year-on-year; the net profit attributable to shareholders was 117 million yuan, up 14.18% year-on-year; and the net profit after deducting non-recurring items was 114 million yuan, a rise of 20.72% year-on-year. The second quarter showed even stronger results, with total revenue of 561 million yuan, an 18.39% increase year-on-year; net profit attributable to shareholders was 76.37 million yuan, up 26.14% year-on-year; and net profit after deducting non-recurring items was 74.62 million yuan, a 37.09% increase year-on-year [2]. Key Financial Indicators - The company's gross profit margin was 41.88%, a decrease of 7.01% year-on-year; the net profit margin was 13.51%, an increase of 2.06% year-on-year. Total operating expenses (selling, administrative, and financial expenses) amounted to 202 million yuan, accounting for 20.39% of revenue, a decrease of 6.99% year-on-year. The net asset per share was 5.16 yuan, an increase of 2.7% year-on-year; operating cash flow per share was 0.19 yuan, up 29.32% year-on-year; and earnings per share were 0.23 yuan, an increase of 14.16% year-on-year [3]. Accounts Receivable and Debt Situation - As of the end of the reporting period, accounts receivable stood at 1.39 billion yuan, representing 605.84% of the latest annual net profit, an increase of 14.24% year-on-year. Interest-bearing liabilities were 1.178 billion yuan, up 24.93% year-on-year. Cash and cash equivalents were 621 million yuan, a decrease of 14.15% year-on-year. The interest-bearing asset-liability ratio was 23.59%, indicating a need to monitor the company's cash flow and debt situation [4]. Main Business Composition - The revenue from the main business segments included environmental reliability testing services at 487 million yuan, accounting for 49.19% of total revenue with a gross margin of 54.95%; testing equipment revenue at 310 million yuan, accounting for 31.27% of total revenue with a gross margin of 26.56%; and integrated circuit verification and analysis services revenue at 155 million yuan, accounting for 15.63% of total revenue with a gross margin of 36.49%. In terms of industry distribution, revenue from the electronics and electrical industry was 385 million yuan, accounting for 38.89% of total revenue with a gross margin of 40.76%; revenue from research and testing institutions was 219 million yuan, accounting for 22.07% of total revenue with a gross margin of 43.27% [5]. Business Model and Core Competitiveness - The company focuses on environmental and reliability testing verification and comprehensive analysis services, covering two main areas: testing equipment and testing services. The company possesses advantages in industry position, one-stop service across the entire industry chain, business model, brand recognition, business qualifications, independent third-party laboratory capabilities, and a strong customer base. The company and its subsidiaries have participated in the formulation of multiple national and industry standards and have received several national honors, with laboratories certified by CNAS, CMA, and other authoritative bodies, serving thousands of high-quality clients across various fields including aerospace, automotive, and electronics [6]. Development Prospects - Despite achieving good performance growth in the first half of 2025, the company's accounts receivable and debt situation require attention. With the acceleration of automation, intelligent upgrades, and domestic substitution processes in the industry, the company is expected to continue benefiting from technological iterations and policy-driven development opportunities [7].