Core Insights - The core insight of the article is that despite a challenging environment in the photovoltaic industry, Jinlang Technology Co., Ltd. reported strong financial performance in the first half of 2025, driven by a shift in product mix and effective cost control [2][11]. Financial Performance - In the first half of 2025, Jinlang Technology achieved operating revenue of 3.794 billion yuan, a year-on-year increase of 13.09%, and a net profit attributable to shareholders of 602 million yuan, up 70.96% year-on-year [2]. - The second quarter net profit reached 407 million yuan, reflecting a quarter-on-quarter growth of 109.27% [2]. Sales and Product Mix - The total sales volume of inverters was approximately 466,200 units, representing a year-on-year decline of 6.98% [3]. - The revenue from traditional grid-connected inverters decreased by 11.22%, while revenue from energy storage inverters surged from 192 million yuan in 2024 to 793 million yuan in 2025, marking a growth of 313.51% [5]. Cost Management - The operating cost of the grid-connected inverter business decreased by 19.53%, leading to an increase in gross margin by 7.62 percentage points despite a decline in revenue [8]. Market Dynamics - The overseas market, including Hong Kong, Macau, and Taiwan, contributed significantly to revenue growth, achieving 1.778 billion yuan, a year-on-year increase of 25.26% [9]. - The gross margin for the mainland China market was 40.91%, while the overseas market had a gross margin of 29.72% [9]. Strategic Investments - Jinlang Technology plans to raise 1.694 billion yuan through convertible bonds, with a significant portion allocated to upgrading inverter production capacity [15]. - The investment will focus on high-voltage, high-power grid-connected inverters and medium-to-large power hybrid energy storage inverters, targeting the commercial energy storage market [15][16]. Operational Challenges - The company faces challenges with declining sales volume in its core inverter business and potential cooling demand in the second half of the year due to the end of a "rush installation" phase driven by policy changes [12][14]. - Concerns about the sustainability of profit growth arise as the company enters the more complex commercial energy storage sector, which may strain its operational capabilities [19].