截至2025年8月26日收盘，正海生物股价报22.23元，较前一交易日下跌0.22元，跌幅0.98%。当日成交 量为33418手，成交额0.75亿元，换手率1.86%。 正海生物属于医疗器械板块，主营业务为生物再生材料的研发、生产与销售，产品涵盖口腔修复膜、生 物膜等医用材料。 风险提示：市场有风险，投资需谨慎。 公司8月26日在互动平台表示，其钙硅生物陶瓷骨修复材料属于非动物源人工合成骨修复材料，未来上 市后将按13%税率征收增值税。同时，公司明确表示暂无开发非动物源性脑膜系列产品的计划。此外， 正海生物将于8月27日召开临时股东大会，审议变更经营范围、修订公司章程等多项议案。 资金方面，8月26日主力资金净流出242.05万元，近五日累计净流出2199.57万元。 ...

8月25日，正海生物盘中上涨2.07%，截至13:58，报22.70元/股，成交1.13亿元，换手率2.81%，总市值 40.86亿元。 资金流向方面，主力资金净流出1748.87万元，特大单买入477.94万元，占比4.24%，卖出1296.31万元， 占比11.51%；大单买入2292.04万元，占比20.36%，卖出3222.55万元，占比28.62%。 机构持仓方面，截止2025年6月30日，正海生物十大流通股东中，东方红新动力混合A（000480）位居 第四大流通股东，持股122.68万股，相比上期增加52.68万股。东方红京东大数据混合A（001564）位居 第六大流通股东，持股65.60万股，为新进股东。太平丰和一年定开债券发起式（010165）位居第十大 流通股东，持股50.00万股，相比上期减少51.49万股。 责任编辑：小浪快报 资料显示，烟台正海生物科技股份有限公司位于山东省烟台经济技术开发区南京大街7号，成立日期 2003年10月22日，上市日期2017年5月16日，公司主营业务涉及生物再生材料的研发、生产与销售。主 营业务收入构成为：脑膜系列产品50.99%，口腔修复膜48.98%， ...

Core Viewpoint - Zhenghai Biological's stock price has shown a slight increase, but the company is facing significant challenges with declining revenue and profits due to reliance on core products and slow progress in new product development [1] Company Overview - Zhenghai Biological specializes in the research, production, and sales of bio-regenerative materials, including oral repair membranes and absorbable dura (spinal) membranes, positioning itself as one of the early entrants in the regenerative medicine field within the Class III implantable medical device sector [1] Financial Performance - For the first half of 2025, the company reported a revenue decline of 5.14% to 187 million yuan, with a net profit attributable to shareholders of 46.49 million yuan, down 45.97% year-on-year [1] - The decline in performance is primarily attributed to a 19.38% drop in revenue from oral repair membranes, a 38.87% increase in sales expenses, and adjustments in tax rates [1] Product Dependency and Development - The company's core products remain heavily dependent on oral repair membranes and dura patches, while new products such as active biological bone have not yet achieved significant sales volume, and the progress of the research pipeline is slow [1] Market Activity - On August 15, 2025, the net outflow of main funds for Zhenghai Biological was 855,500 yuan, while the cumulative net inflow over the past five days was 9.20 million yuan [1]

Core Viewpoint - Zhenghai Biological is at a crossroads of transformation as its marketing expenses surged by 39%, yet it failed to achieve revenue growth, with a significant decline in net profit and core product revenues [4][5] Financial Performance - The company reported a 5.14% year-on-year decline in revenue to 187 million yuan, while net profit dropped by 45.97% to 46.49 million yuan, and non-recurring net profit fell by 46.77% to 40.28 million yuan [4][6] - The main reasons for the profit decline include a nearly 20% drop in oral repair membrane revenue, increased cost pressures, and changes in the external environment [4][6] Product Performance - The sales revenue of the brain membrane series products increased by 5.88% to 80.27 million yuan, becoming a rare highlight in the report, attributed to successful bids in multiple provincial alliances [6] - Conversely, the oral repair membrane business saw a revenue decline of 19.38% to 77.12 million yuan, with a decrease in gross margin by 1.63 percentage points to 85.98% [6][7] - The decline in oral repair membrane revenue is attributed to weak market demand, intensified competition, and continuous price reductions [6][7] Tax and Regulatory Impact - Starting January 1, 2025, the VAT on key raw materials for Zhenghai Biological's main products will increase from a simplified rate of 3% to a general rate of 13%, significantly eroding profit margins [7] Structural Issues - The company's revenue structure is heavily reliant on two main products, which account for over 80% of total revenue, making it vulnerable to market fluctuations [6][7] Marketing and Sales Strategy - In response to declining performance, the company increased its sales expenses to 71.18 million yuan, a 38.87% increase, primarily for market promotion and commercial support [8] - The sales expense ratio rose from 25.88% to 37.90%, while net profit margin decreased from 43.45% to 24.75%, indicating a mismatch between marketing investment and revenue generation [8][9] New Product Development - The company is pinning hopes on new products like active biological bone, which has not yet generated significant sales despite being registered for nearly three years [9][10] - Other in-development products are progressing slowly, with potential revenue contributions expected in 2-3 years, which may not address immediate financial pressures [10] International Expansion - The company is exploring international markets, which present significant potential but require higher standards for product quality, certification, and marketing capabilities [10]

Company Overview - Zhenghai Biological Technology Co., Ltd. specializes in the research, production, and sales of bio-regenerative materials, with key products including oral repair membranes, absorbable dura mater patches, skin repair membranes, and bone repair materials [1] - The company has over 20 years of development history and has participated in national programs such as the "863 Program" and the National Torch Program, recognized as a national "specialized, refined, and innovative" small giant enterprise and a high-tech enterprise [1] Financial Performance - For the first half of 2025, the company reported revenue of 188 million yuan, a year-on-year decrease of 5.14%, and a net profit of 46.49 million yuan, down 45.97% year-on-year, with a gross profit margin of 83.92% [1] - The current stock price is 21.62 yuan, with a rolling price-to-earnings (PE) ratio of 40.92 times, and a total market capitalization of 3.892 billion yuan [1] Industry Comparison - The average PE ratio for the medical device industry is 53.93 times, with a median of 37.81 times, placing Zhenghai Biological at the 81st position in the industry ranking [1] - The company is held by five institutions, including three funds, with a total holding of approximately 19.97 million shares valued at 409 million yuan [1][2]

Group 1: Company Performance Overview - In the first half of 2025, the company achieved total revenue of 187 million yuan, a decrease of 5.14% compared to the same period last year [3] - Net profit attributable to shareholders was 46.49 million yuan, down 45.97% year-on-year [3] - Earnings per share were 0.26 yuan, reflecting a decline of 45.83% compared to the previous year [3] Group 2: Key Product Performance - The main revenue sources were oral repair membranes and meningeal series products, with meningeal products generating sales of 80.27 million yuan [3] - Oral repair membranes achieved sales of 77.12 million yuan despite increased competition and demand fluctuations [3] - New product active biological bone showed steady growth, with hospital admissions meeting targets and sales gradually increasing [3][4] Group 3: Future Product Development - The new oral repair membrane product has received certification, and calcium silicate biological ceramic bone repair materials are in the registration phase, expected to enhance the company's product portfolio [4] - Other pipeline products, including uterine repair membranes and breast patches, are in the registration and data management stages, anticipated to contribute to revenue in the next 2-3 years [4] Group 4: Market Challenges and Strategies - The decline in revenue was primarily due to decreased income from the oral sector, driven by weak demand in the implant market and intensified competition [6] - The company plans to continue focusing on its strengths and developing new products to achieve stable revenue growth [6] - The impact of centralized procurement on meningeal product pricing has led to a decrease in prices but an increase in sales volume [7] Group 5: International Expansion Plans - The company is exploring the potential for some products to enter international markets and is currently planning related activities [7]

Overview of Financial Performance - The total revenue for the first half of 2025 was 188 million yuan, a decrease of 5.14% year-on-year [2] - The net profit attributable to shareholders was 46.49 million yuan, down 45.97% year-on-year [2] - The net profit after deducting non-recurring gains and losses was 40.28 million yuan, a decline of 46.77% year-on-year [2] - In Q2 2025, total revenue was 90.43 million yuan, a decrease of 16.57% year-on-year [2] - The net profit attributable to shareholders in Q2 was 19.86 million yuan, down 56.5% year-on-year [2] - The net profit after deducting non-recurring gains and losses in Q2 was 16.44 million yuan, a decline of 59.44% year-on-year [2] Profitability Analysis - The gross margin was 83.92%, a decrease of 3.24% year-on-year [3] - The net profit margin was 24.75%, down 43.04% year-on-year [3] - Earnings per share were 0.26 yuan, a decrease of 45.83% year-on-year [3] Expense Control and Cash Flow - Total operating expenses (selling, administrative, and financial expenses) amounted to 86.98 million yuan, accounting for 46.31% of revenue, an increase of 43.77% year-on-year [4] - Selling expenses increased by 38.87% due to targeted marketing efforts [4] - Financial expenses rose by 52.52% due to a decrease in current interest income [4] - The net cash flow from operating activities was 0.26 yuan per share, a decrease of 42.05% year-on-year, primarily due to increased selling expenses [4] Asset Status - As of the end of the reporting period, cash and cash equivalents were 49.30 million yuan, a decrease of 48.81% year-on-year [5] - Accounts receivable stood at 56.74 million yuan, an increase of 0.87% year-on-year [5] - The net cash flow from investing activities decreased by 126.57% due to reduced maturity of financial products [5] - The net cash flow from financing activities increased by 48.61% due to a decrease in dividend distribution [5] Main Business Composition - Main business revenue primarily comes from meninges series products and oral repair membranes, accounting for 42.73% and 41.05% of main revenue, respectively [6] - The gross margin for meninges series products was 88.84%, while for oral repair membranes it was 85.98% [6] - Other main business and supplementary revenue accounted for 16.19% and 0.03%, respectively [6] Development Review and Outlook - The company is a leading player in the domestic regenerative medicine sector, focusing on the R&D, production, and sales of biological regenerative materials [7] - The company has successfully incubated multiple products and has been selected in various provincial centralized procurement projects [7] - Despite facing intensified market competition, the company is enhancing brand awareness and academic influence through optimizing sales team structure and cost-reduction initiatives [7]

Core Viewpoint - Zhenghai Biological is facing significant challenges with a nearly halved net profit and sluggish growth in its main products, indicating a development bottleneck [1][2]. Financial Performance - In the first half of 2025, Zhenghai Biological reported revenue of 188 million yuan, a year-on-year decline of 5.14% [2][3]. - The net profit attributable to shareholders was 46.49 million yuan, down 45.97% year-on-year, marking the second consecutive year of mid-year profit decline [2][3]. - The company's net profit growth has been slowing since 2022, with a historical peak of 191 million yuan in 2023, but the growth rate dropped to 2.98% [2][3]. Marketing and Sales Expenses - Sales expenses for the first half of 2025 reached 71.18 million yuan, a 38.87% increase compared to 51.25 million yuan in the same period of 2024 [3][4]. - The increase in marketing expenses did not translate into profit growth, with the revenue from the brain membrane series only increasing by 5.88% while its gross margin declined by 3 percentage points [3][4]. Product Performance - Zhenghai Biological's main products include oral repair membranes and brain membrane series, with the oral repair membrane revenue declining by 19.38% to 77.12 million yuan [3][4]. - The company has received approval for 13 medical device products, with 9 classified as Class III medical devices, primarily used in various surgical fields [2][3]. New Product Development - The company is focusing on the commercialization of its active biological bone product, "Haiyu," which is the first drug-device combination bone repair material in China [4][5]. - Despite the potential of "Haiyu," there is uncertainty regarding market acceptance and subsequent sales performance, as no specific sales data has been disclosed [4][5]. Market Challenges - Zhenghai Biological faces intense competition in the domestic bone repair materials market, with numerous domestic and international players vying for market share [5]. - The company needs time to cultivate the market and enhance awareness and acceptance of its new products among doctors and patients [5].

Summary of Zhenghai Biological Conference Call Company Overview - **Company**: Zhenghai Biological - **Industry**: Biopharmaceuticals, specifically focusing on medical materials and products Key Financial Performance - **Net Profit**: Decreased by 46.77% YoY in H1 2025, with a net profit of 46.49 million yuan [2][3] - **Earnings Per Share**: Dropped by 45.83% YoY, standing at 0.26 yuan [2][3] - **Revenue**: Total revenue for H1 2025 was 187 million yuan, a decline of 5.14% YoY [3] - **Impact of VAT Adjustment**: The increase in VAT from 3% to 13% significantly affected revenue and profit, leading to an effective price drop of approximately 9% [2][18][19] Product Performance - **Main Revenue Sources**: - Meningeal series products generated sales of 80.27 million yuan - Oral repair membranes contributed 77.12 million yuan [2][3] - **Active Biological Bone**: - Sales team consists of about 20 members, with a network of 1,175 distributors [3][12] - Target to achieve sales of approximately 40 million yuan for the year, doubling last year's figures [3][24] - **Calcium Silicate Bioceramic Repair Materials**: - Currently in the registration phase, expected to be approved by the end of the year [5][6] Market Challenges and Strategies - **Oral Sector Pressure**: The oral segment faces challenges due to weak demand for implants and price reductions, making it difficult to meet annual targets [2][7] - **Sales Strategy**: The company is focusing on precise marketing strategies and collaboration with leading terminals to stabilize market share [4][7] - **Clinical Application**: Active biological bone products have shown good effectiveness and safety in clinical applications, gaining recognition from clinicians [4][12] Future Outlook - **Annual Growth Target**: The company aims for a 20% revenue growth despite the challenges faced in H1 2025 [3][14] - **Stem Cell Project**: Currently in the process validation stage, with no clinical trials yet; the timeline for future progress remains uncertain [8][9] - **Market Expansion**: Plans to explore Southeast Asian markets, with recruitment for overseas sales personnel underway [27] Additional Insights - **Accounts Receivable**: Increased to 56.71 million yuan, primarily from hospitals, but cash flow remains stable [3][28] - **Stock Levels**: Inventory levels are normal, with no significant issues reported [38] - **Long-term Goals**: The company aims to increase market penetration for BMP-containing products, currently at less than 10% market share [31] Conclusion Zhenghai Biological is navigating significant challenges due to regulatory changes and market dynamics. The company is actively pursuing growth through strategic marketing, product development, and market expansion while managing financial pressures from increased taxation and competitive pricing.

Core Viewpoint - Zhenghai Biological is facing significant challenges with a nearly halved net profit and sluggish growth in its main products, indicating a development bottleneck [2][4]. Financial Performance - In the first half of 2025, Zhenghai Biological reported operating revenue of 188 million yuan, a year-on-year decrease of 5.14% [3][4]. - The net profit attributable to shareholders was 46.49 million yuan, down 45.97% year-on-year, marking the second consecutive year of decline in mid-year net profit [2][4]. - The net profit after deducting non-recurring gains and losses was 40.28 million yuan, a decrease of 46.77% compared to the previous year [3][4]. - Cash flow from operating activities was 47.67 million yuan, down 42.05% year-on-year [3]. - Basic and diluted earnings per share were both 0.26 yuan, compared to 0.48 yuan in the same period last year [3]. Marketing and Sales Expenses - Sales expenses surged by 38.87% to 71.18 million yuan in the first half of 2025, compared to 51.25 million yuan in the same period of 2024 [4][5]. - The increase in marketing expenses was attributed to precise marketing and academic promotion efforts [5]. - Despite the high marketing expenditure, profit growth did not materialize, with the main revenue sources experiencing significant declines [5]. Product Performance - Zhenghai Biological's primary business focuses on regenerative medical products for tissue repair and reconstruction, with 13 approved medical device products, including 9 Class III devices [5]. - The revenue from the oral repair membrane decreased by 19.38% to 77.12 million yuan, and the gross margin also declined [5]. - The brain membrane series saw a slight revenue increase of 5.88%, but the gross margin dropped by 3 percentage points due to price pressures from competitive bidding [5]. New Product Development - Zhenghai Biological is actively working on commercializing its active biological bone product, "Haiyu," which is the first domestic drug-device combination bone repair material [6]. - The product has been approved and launched, but specific sales figures have not been disclosed, raising concerns about market acceptance and future performance [6][7]. - The company is collaborating with distributors to promote the "Haiyu" product, but market cultivation will take time [7]. Market Challenges - The domestic bone repair materials market is highly competitive, with numerous domestic and international players, as well as emerging technologies posing threats to Zhenghai Biological [7]. - The management faces the challenge of converting high marketing investments into profits, which is critical for the company's performance in the second half of the year [8].