证券研究报告 2026 年 01 月 05 日 湘财证券研究所 债券研究 可转债研究 把握行业轮动，精选弹性个券 相关研究： 核心要点： ❑ 12 月权益市场持续回暖，大幅跑赢中证转债指数 根据 Wind 数据，12 月中证转债指数上涨 2.13%，中证全指上涨 3.25%；全 年来看，2025 年中证转债指数、中证全指分别上涨 18.66%、24.6%。12 月 中证转债指数跑输沪深 300 指数 0.15pct，跑输中证 500 指数 4pct。按价格 分类看，12 月万得高价转债指数大幅上涨 5.14%，中价、低价转债指数分 别上涨 1.92%、0.34%。在权益市场上涨背景下，高价转债表现强势，具有 债性的低价转债明显跑输。全年来看，2025 年高价、中价、低价转债指数 累计涨幅分别为 28%、16%、17%，可以看出高价转债在牛市中更具弹性， 而低价转债在大盘调整的月份中更加抗跌。 ❑ 12 月能源转债指数大幅调整，材料、可选消费及工业转债指数显著上涨 根据 Wind 一级行业分类，12 月仅有能源（-2.05%）、金融（-0.39%）转债 指数下跌，但相对应的正股指数分别上涨 1.6%、2.37% ...

Core Viewpoint - The recent decline in the convertible bond market, particularly the breach of par value by Sanfang Convertible Bond, reflects growing concerns over credit risk and indicates a structural adjustment within the market [1][2][4]. Group 1: Market Performance - On December 16, Sanfang's stock price fell by 3.24%, leading to a 2.75% drop in the price of Sanfang Convertible Bond, which fell below the par value of 100 yuan, marking it as the first convertible bond to do so in recent times [1][2]. - The cumulative decline of Sanfang Convertible Bond exceeded 10% in December, despite a 1.44% rebound in the stock price on December 17, indicating persistent downward pressure on the bond [2]. - Other low-rated convertible bonds, such as Hongtu and Lanfan, have also seen significant declines, with Lanfan Convertible Bond dropping to 100.33 yuan and Hongtu Convertible Bond reaching a new low of 102.317 yuan [2]. Group 2: Credit Risk and Market Dynamics - The decline in low-rated convertible bonds is attributed to uncertainties regarding the underlying stocks' conversion capabilities and renewed concerns over credit risks, exacerbated by previous downward trends [2][3]. - The market consensus that convertible bonds serve as a safe investment has been challenged, with over a hundred convertible bonds breaching par value, prompting a reevaluation of credit risks and pricing logic [3][4]. - The overall credit rating of convertible bonds has weakened, with 130 bonds rated below AA- as of December 17, accounting for 31.18% of the total, compared to lower percentages in previous years [4][5]. Group 3: Future Outlook - Despite the recent breaches of par value, experts believe that systemic risks remain controllable, and the impact is limited to individual bonds rather than a widespread credit crisis [4][6]. - The market is expected to see a concentration of credit risk and valuation reassessment for low-rated bonds, which may lead to increased pressure on issuers to improve bond terms and cash flow management [6][7]. - Investors are advised to monitor key thresholds for underlying stocks and be vigilant about potential delisting risks as annual reports are released, particularly for bonds nearing default or facing regulatory scrutiny [8].

Core Viewpoint - The recent decline in the convertible bond market, highlighted by the first bond falling below par value, reflects concerns over credit risk and indicates a structural adjustment within the market [1][3]. Group 1: Market Dynamics - On December 16, the stock price of Sanfangxiang fell by 3.24%, leading to its convertible bond price dropping by 2.75% and falling below the par value of 100 yuan, marking it as the first convertible bond to do so in recent times [1][3]. - The decline in Sanfangxiang's convertible bond is part of a broader trend where several low-rated convertible bonds, such as Hongtu and Lanfan, have also seen significant price drops, with Lanfan's bond nearing par value [3][4]. - The market is currently experiencing a phase of adjustment, with weak credit quality bonds facing liquidity risks and a potential for further differentiation among bonds based on credit quality [3][6]. Group 2: Credit Risk and Valuation - The recent phenomenon of convertible bonds falling below par value is attributed to a combination of issuer credit risk pricing, equity market adjustments, and the failure of bond floor support [4][8]. - As of December 17, 130 convertible bonds rated below AA- accounted for 31.18% of the total, indicating a weakening trend in credit ratings compared to previous years [6][7]. - The decline in credit quality is linked to multiple factors, including industry-specific risks, policy adjustments, and the overall market environment, leading to a significant increase in rating downgrades since 2019 [7][8]. Group 3: Investor Considerations - Investors are advised to monitor the financial health of issuers, especially those nearing delisting thresholds, and to pay attention to bond terms such as conversion and redemption rights [10][11]. - The market is expected to see a decrease in the frequency of credit events following a concentrated risk clearing in 2024, with some bonds managing to convert or trigger strong redemptions [11].

Core Viewpoint - The article discusses recent developments in the investment landscape, including significant asset restructuring terminations, new semiconductor company formations, and updates on convertible bonds. Group 1: Company Developments - Jianlong Micro-Nano has terminated its plans for a major asset restructuring [1] - Zhongtian Jingzhuang announced a 199.8 million yuan investment in a semiconductor company, Jiangsu Changjiang Semiconductor, alongside two other partners [1] Group 2: Convertible Bonds Updates - Wei 24 Convertible Bond is subject to strong redemption [1] - Fuxin Convertible Bond will not undergo strong redemption [1] - Sanfang Convertible Bond will not be adjusted [1] - A table of various convertible bonds is provided, detailing their current prices, redemption prices, last trading dates, and conversion values [4][6]

Core Viewpoint - The company has decided not to adjust the conversion price of the "Sanfang Convertible Bonds" and will not propose any downward adjustment in the next three months, even if the conditions for such an adjustment are triggered [1] Summary by Sections - **Board Decision**: The company's board of directors approved the decision not to lower the conversion price of the "Sanfang Convertible Bonds" during the upcoming three-month period from November 27, 2025, to February 26, 2026 [1] - **Future Considerations**: Starting from February 27, 2026, if the conditions for a downward adjustment are triggered again, the board will convene to decide whether to adjust the conversion price [1]

Group 1 - The company, Jiangsu Sanfangxiang Composite Materials Co., Ltd., has issued a notice regarding the potential adjustment of the conversion price for its convertible bonds, "Sanfang Convertible Bonds" [1][8] - The company issued 25 million convertible bonds on January 6, 2023, with a total amount of 250 million yuan and a maturity of six years, with varying interest rates over the years [2] - The initial conversion price was set at 3.17 yuan per share, which was adjusted to 3.02 yuan per share effective from May 8, 2023, following the company's annual profit distribution [3] Group 2 - The convertible bond's conversion price can be adjusted downwards if the company's stock price closes below 85% of the current conversion price for at least 15 out of 30 consecutive trading days [4] - If the conversion price is to be adjusted, the company must announce the adjustment details and the suspension of conversion applications through designated media [5] - As of October 25, 2025, if the company's stock price continues to close below 2.57 yuan per share for 5 out of the next 12 trading days, it will trigger the conversion price adjustment clause [6]

Group 1 - The core viewpoint of the article highlights the planned share reductions by major shareholders in several companies, indicating potential changes in ownership dynamics [1] Group 2 - Yaoji Technology's actual controller and concerted parties plan to reduce their holdings by no more than 3% of the company's shares [1] - Yubang New Materials' shareholders intend to transfer 2.28% of the company's shares through inquiry [1] - Wentai Technology's shareholders plan to reduce their holdings by no more than 1% of the company's shares [1] - Sanfang Convertible Bonds and Ruike Convertible Bonds will not undergo adjustments [1] - Guangke Convertible Bonds have been listed [1] - Chuangjin Hexin Shounong REIT (508039) has been listed [1] - Hansang Technology's new shares are available for subscription on the Shanghai and Shenzhen stock exchanges [1]

Group 1 - The core viewpoint of the announcement is the adjustment of the credit rating for Jiangsu Sanfangxiang Ju Material Co., Ltd.'s convertible bonds and the company itself, reflecting a downgrade from "AA-" to "A+" [1][2] - The previous credit rating for the "Sanfang Convertible Bonds" was "AA-" with a stable outlook, which has now been changed to "A+" with a stable outlook [1][2] - The credit rating adjustment was conducted by the credit rating agency United Credit Rating Co., Ltd., based on a comprehensive analysis of the company's operational status and industry conditions [2] Group 2 - The new credit rating report was issued on June 26, 2025, confirming the company's long-term credit rating as "A+" and the "Sanfang Convertible Bonds" rating as "A+" with a stable outlook [2] - The previous credit rating was last assessed on May 27, 2024, when both the company and the bonds were rated "AA-" with a stable outlook [1][2]

Core Viewpoint - Jiangsu Sanfangxiang Polymer Co., Ltd. is issuing convertible bonds to raise funds for specific projects, with a total issuance amount of RMB 250 million, aiming to enhance its production capacity and market position in the polyester industry [2][17]. Summary by Sections Bond Issuance Details - The company has received approval from the China Securities Regulatory Commission for the issuance of 2.5 million convertible bonds, each with a face value of RMB 100, totaling RMB 250 million [2][3]. - The bonds will be listed on the Shanghai Stock Exchange under the name "Sanfang Convertible Bonds" with the code "110092" [3]. Key Terms of the Convertible Bonds - The bonds have a maturity period of 6 years, with an annual interest rate that increases from 0.30% in the first year to 2.00% in the sixth year [3][4]. - The initial conversion price is set at RMB 3.17 per share, with provisions for adjustments based on various corporate actions [5][6]. Use of Proceeds - The funds raised will be allocated to projects including the production of green packaging materials and multifunctional bottle chips, with a total investment requirement of RMB 386.409 million [17]. - The company plans to use self-raised funds initially and will replace them with the proceeds once available [17]. Financial and Credit Rating - The company has received a credit rating downgrade to "A+" from a rating agency, reflecting concerns over its financial performance and debt levels [18][19]. - Despite a stable market position in the polyester industry, the company faces challenges such as declining sales prices and increased financial risk due to high short-term debt [19]. Rights and Obligations of Bondholders - Bondholders have rights to interest payments, conversion into shares, and the ability to sell back the bonds under certain conditions [15][16]. - The company is obligated to manage the proceeds responsibly and adhere to the terms outlined in the bond issuance documents [11][12].

Core Viewpoint - Jiangsu Sanfangxiang Group Co., Ltd. has seen a significant increase in stock price, with a current market value of 7.754 billion yuan, and is preparing for a series of important decisions at the upcoming shareholder meeting [1][5]. Company Announcements - The 15th meeting of the 11th Board of Directors will be held on April 1, 2025, to review several proposals, including the execution of related party transactions for 2024 and the expected transactions for 2025, as well as proposals for guarantees and hedging activities [1][2]. - The first temporary shareholders' meeting of 2025 is scheduled for April 18, 2025, to discuss five key proposals related to related party transactions and risk management strategies [2][5]. Financial Activities - The company plans to engage in futures hedging activities to mitigate market risks, with a maximum margin of 500 million yuan and a maximum contract value of 3 billion yuan on any trading day [3]. - The company has provided a guarantee of 600 million yuan to its affiliate, Sanfangxiang Group Co., Ltd., which will be subject to shareholder approval [4]. - The expected total amount for related party transactions in 2025 is approximately 666.43 million yuan, covering various operational needs [4]. Shareholder Changes - As of March 31, 2025, a total of 282,438 shares have been converted from convertible bonds, representing 0.0072% of the total shares before conversion, with a remaining convertible bond amount of approximately 2.499 billion yuan [7][10]. - The company has repurchased 29,760,000 shares, accounting for 0.76% of the current total share capital, with a total expenditure of approximately 39.37 million yuan [8][11].