Core Viewpoint - Wuhan Changjin Photon Technology Co., Ltd. (referred to as "Changjin Photon") is progressing in its IPO application on the Sci-Tech Innovation Board, with strong financial performance but also notable risks such as rising accounts receivable and high customer concentration [1][2]. Financial Performance - Changjin Photon has shown consistent growth in revenue and net profit during the reporting period, with revenues of approximately 108 million yuan, 145 million yuan, 192 million yuan, and 44.73 million yuan for the years 2022 to 2025 Q1, respectively. Corresponding net profits were approximately 36.78 million yuan, 54.66 million yuan, 75.76 million yuan, and 15.18 million yuan [2][3]. Customer Concentration - The company has a high customer concentration, with sales to the top five customers accounting for 88.03%, 82.26%, 73.19%, and 72.41% of total revenue during the reporting periods [3][4]. - Jepter, a major shareholder, is also one of the top customers, contributing sales of 19.88 million yuan, 14.95 million yuan, 17.79 million yuan, and 4.19 million yuan, representing 18.37%, 10.34%, 9.28%, and 9.38% of total revenue for the respective periods [3][4]. Related Transactions - The relationship with Jepter involves significant related transactions due to Jepter's need for domestically sourced specialty optical fibers, which Changjin Photon can supply [4]. Accounts Receivable - The accounts receivable balance has been increasing, with figures of 56.69 million yuan, 59.11 million yuan, 77.60 million yuan, and 78.54 million yuan at the end of each reporting period [5]. - The company acknowledges that a rapid increase in accounts receivable could impact cash flow and operational efficiency [5]. Gross Margin - Changjin Photon has maintained a gross margin significantly higher than the industry average, with gross margins of 66.37%, 69.31%, 69.13%, and 68.7% for the respective years, compared to industry averages of 50.34%, 49.63%, 45.79%, and 43.22% [5]. Ownership Structure - As of the signing date of the prospectus, Changjin Photon is controlled by Changhexin, which holds 34.42% of the shares, while Li Jinyan controls 43.12% of the voting rights through various entities [5][6]. - Li Jinyan has a strong academic background and has been involved with the company since its inception [6].

Core Viewpoint - Wuhan Changjin Photon Technology Co., Ltd. (referred to as "Changjin Photon") is progressing in its IPO application on the Sci-Tech Innovation Board, with strong financial performance but notable risks related to accounts receivable and customer concentration [1][4]. Financial Performance - Changjin Photon has shown consistent revenue and net profit growth during the reporting period, with revenues of approximately 108 million, 145 million, 192 million, and 44.73 million yuan for the years 2022 to 2025 Q1, respectively. Corresponding net profits were approximately 36.78 million, 54.66 million, 75.76 million, and 15.18 million yuan [4][5]. - The company's gross profit margins significantly exceed the industry average, with margins of 66.37%, 69.31%, 69.13%, and 68.7% for the same periods, compared to industry averages of 50.34%, 49.63%, 45.79%, and 43.22% [7]. Customer Concentration - A high concentration of sales to major customers is evident, with the top five customers accounting for 88.03%, 82.26%, 73.19%, and 72.41% of total revenue during the reporting periods [5][6]. - Among these top customers, Jiepu Technology, a listed company, is a significant player, contributing sales of 19.88 million, 14.95 million, 17.79 million, and 4.19 million yuan, representing 18.37%, 10.34%, 9.28%, and 9.38% of total revenue [5][6]. Related Party Transactions - Jiepu Technology is not only a major customer but also the second-largest shareholder of Changjin Photon, holding a 12.24% stake. The relationship is driven by Jiepu's need for domestically sourced specialty optical fibers to ensure supply chain security and reduce production costs [6][7]. Accounts Receivable - The accounts receivable balance has been increasing, with figures of 56.69 million, 59.11 million, 77.60 million, and 78.54 million yuan at the end of each reporting period. This trend raises concerns about cash flow and operational efficiency [7]. Management and Control - Changjin Photon is controlled by Changhexin, which holds 34.42% of the shares, while Li Jinyan, through various entities, controls 43.12% of the voting rights, making him the actual controller of the company [8]. - The management team has strong ties to Huazhong University of Science and Technology, with several key personnel having graduated from or worked at the institution [9].

Core Viewpoint - The company reported a stable performance in H1 2025, with revenue growth and a slight decline in net profit, indicating a solid financial position and effective cost control despite challenges in profit margins [1][2][3]. Financial Performance - In H1 2025, the company achieved revenue of 32.05 billion yuan, a year-over-year increase of 20.4%, while the net profit attributable to shareholders was 1.61 billion yuan, remaining flat compared to the previous year [1]. - In Q2 2025, the company recorded revenue of 18.78 billion yuan, up 26.6% year-over-year, but net profit decreased by 3.6% to 1.06 billion yuan, attributed to a high base from the same period last year [1]. - The company maintained a good cost control with a total expense ratio of 7.9%, down 2.1 percentage points year-over-year, mainly due to a reduction in R&D expenses [1]. Product Development and Market Position - The company is accelerating the commercialization of high-end optical fiber products, including ultra-low loss fiber and multi-core fiber, with advanced loss values achieved in specific bands [1]. - The company is investing in AI advanced fiber expansion projects, expected to be completed by February 2026, which will likely enhance the gross margin of its fiber business [1]. Order Backlog and Market Demand - As of H1 2025, the company has a backlog of orders in the energy interconnection sector amounting to approximately 20 billion yuan, with strong demand in deep-sea applications [3]. - The company has secured over 2.6 billion yuan in new marine energy projects in H1 2025, indicating robust domestic and international order inflow [2][3]. - The company is positioned as one of the four domestic firms capable of cross-ocean cable engineering, with a significant backlog in marine communication business amounting to about 7.5 billion yuan [3]. Profitability Forecast - The company is expected to see continued improvement in profitability, with projections for net profit attributable to shareholders of 3.37 billion yuan, 3.90 billion yuan, and 4.52 billion yuan for 2025-2027, respectively [3].

Investment Rating - The investment rating for the company is "Buy" [5][10]. Core Views - The company's performance in the first half of 2025 met expectations, with revenue of 32.05 billion yuan, a year-on-year increase of 20.4%, and a net profit of 1.61 billion yuan, which remained stable compared to the previous year [2][5]. - The decline in quarterly profit growth is attributed to a high base from the same period in 2024 [2]. - The company is experiencing a rapid iteration of optical fiber and cable products, with an upcoming expansion in specialty fiber production [2][3]. - The demand in the deep-sea sector is strong, with a significant backlog of orders in marine energy projects [3]. Summary by Sections Financial Performance - In Q2 2025, the company achieved revenue of 18.78 billion yuan, a year-on-year increase of 26.6%, while net profit was 1.06 billion yuan, down 3.6% year-on-year [2]. - The company's expense ratio was 7.9%, a decrease of 2.1 percentage points year-on-year, primarily due to a reduction in R&D expenses [2]. - The gross margin was 13.6%, down 3 percentage points year-on-year, and the net margin was 5%, down 1 percentage point year-on-year [2]. Product Development - The company is accelerating the commercialization of high-end products such as ultra-low loss optical fibers and marine optical fibers, with the air-core fiber achieving an international advanced loss value of ≤0.2 dB/km [2]. - An AI advanced optical fiber expansion project is under construction, expected to be completed by February 2026, which will likely increase the proportion of specialty fibers in the company's product mix [2]. Market Position and Orders - The company has secured over 2.6 billion yuan in new marine energy projects in the first half of 2025, with a total backlog of orders in the energy interconnection sector amounting to approximately 20 billion yuan [3]. - The deep-sea sector is expected to see a production of over 600 marine cables by the end of 2025, with the company being one of the few domestic firms capable of cross-ocean cable engineering [3]. Profit Forecast and Valuation - The company is expected to see continued improvement in profitability, with projected net profits of 3.37 billion yuan, 3.90 billion yuan, and 4.52 billion yuan for 2025, 2026, and 2027, respectively [3]. - The corresponding price-to-earnings ratios are estimated to be 15, 13, and 11 times, indicating that the stock is still undervalued [3].