Financial Performance - The company's revenue for 2021 reached ¥5,342,115,108.65, representing a 63.35% increase compared to ¥3,270,255,229.79 in 2020[12]. - Net profit attributable to shareholders was ¥1,953,785,798.57, a significant increase of 142.28% from ¥806,422,918.70 in the previous year[12]. - The net profit after deducting non-recurring gains and losses was ¥1,795,845,590.84, reflecting a 158.10% increase compared to ¥695,802,230.41 in 2020[12]. - The net cash flow from operating activities was ¥1,192,512,797.99, up 185.51% from ¥417,674,626.03 in 2020[12]. - Basic earnings per share increased to ¥3.2197, a rise of 142.28% from ¥1.3289 in the previous year[12]. - Total assets increased by 51.98% to CNY 11.59 billion from CNY 7.63 billion year-over-year[13]. - Net assets attributable to shareholders rose by 45.98% to CNY 7.24 billion from CNY 4.96 billion year-over-year[13]. - The company achieved a historical high in operating revenue and net profit, with R&D investment increasing by 43.42% to CNY 866 million[26]. - Quarterly operating revenue for Q4 2021 was CNY 1.55 billion, with a net profit of CNY 496.38 million[15]. - The company reported a net cash flow from operating activities of CNY 853.53 million in Q4 2021[15]. Business Expansion and Strategy - The company has expanded its main business into the integrated circuit field following the acquisition of Unigroup Tongxin Microelectronics Co., Ltd. and Shenzhen Guowei Electronics Co., Ltd. in 2012[9]. - The company has seen a significant increase in user data and market presence due to its strategic investments in the LED industry and integrated circuits[9]. - The company is focused on developing new products and technologies to enhance its market competitiveness and expand its operational capabilities[9]. - The company is actively expanding its market presence in the charging pile, UPS, and vehicle OBC sectors, optimizing its customer structure for stable growth in the coming years[37]. - The company has made progress in the development of high-capacity multi-application SE security chips and vehicle safety chips, with mass shipments achieved[27]. - The company is committed to building an ecosystem centered around smart chips, integrating system solutions and innovative terminals[92]. Research and Development - The company invested ¥866 million in R&D in 2021, a 43.42% increase from the previous year, and obtained 62 new intellectual property rights[40]. - The company is advancing its research and development in specialized integrated circuits, with a focus on high-performance products and maintaining a leading market position[36]. - The company has initiated the R&D of the second generation SoPC targeting artificial intelligence and machine vision fields[84]. - The company’s R&D expenses rose by 82.25% to ¥632,197,149.70, reflecting increased investment in innovation[58]. - The number of R&D personnel increased by 19.51% to 974, representing 47.14% of the total workforce[59]. Market Trends and Industry Insights - In 2021, the global semiconductor industry sales reached USD 555.9 billion, a 26.2% increase from USD 440.4 billion in 2020[19]. - China's integrated circuit industry sales were CNY 1,045.83 billion in 2021, up 18.2% year-over-year[19]. - The demand for smart security chips is increasing, driven by applications in automotive, industrial, and IoT sectors, with domestic companies enhancing their market capabilities[86]. - The special integrated circuit industry is experiencing growth due to improved domestic technology and increasing market penetration of domestic products[87]. - The quartz crystal frequency device market is benefiting from strong demand in 5G communications and automotive electronics, with opportunities for domestic manufacturers to gain market share[88]. Corporate Governance and Compliance - The company has established a comprehensive corporate governance structure and internal control system, effectively executed in compliance with relevant laws and regulations[149]. - The company maintains a clear separation from its controlling shareholder, ensuring independence in operations and decision-making[107]. - The company has committed to transparency in information disclosure, ensuring all stakeholders have equal access to relevant information[106]. - The company has implemented a comprehensive compliance management system to ensure the proper use of funds raised from the convertible bond issuance[30]. - The company has established internal control systems for foreign exchange transactions to mitigate exchange rate risks[75]. Shareholder Relations and Dividends - The company plans to distribute a cash dividend of ¥3.25 per 10 shares, with a capital reserve increase of 4 shares for every 10 shares held[2]. - The total distributable profit available for shareholders as of December 31, 2021, was 5,444,555,455.56 RMB, with cash dividends representing 100% of the profit distribution[143]. - The company’s profit distribution plan for 2021 was designed to balance long-term development and immediate shareholder returns[143]. - The company has a structured approach to employee compensation, linking salaries to performance evaluations and annual company performance[138]. Financial Management and Investments - The company successfully completed the issuance of convertible bonds, raising a total of RMB 1.5 billion for the development and industrialization of new high-end security series chips and vehicle controller chips, alleviating liquidity pressure[29]. - The company reported a net increase in cash and cash equivalents of ¥1,732,058,431.06, a 1,133.83% increase from ¥140,380,396.62 in 2020[61]. - The company has established a strong supply chain with long-term partnerships with major foundries, ensuring sufficient production capacity[43]. - The company has not reported any related party transactions that could affect its financial independence[112]. - The company reported a total of ¥459,783,902.27 in investment properties, which are pledged as collateral for long-term loans[69]. Employee Management and Development - The core talent retention rate reached 94.1%, reflecting the company's effective talent management and employee engagement strategies[30]. - The company has established a comprehensive training system for employees, focusing on continuous improvement in personal quality and professional skills[139]. - The total number of employees at the end of the reporting period is 2,066, with 57 in the parent company and 2,009 in major subsidiaries[136]. - The educational background of employees shows 547 with a master's degree or above, 733 with a bachelor's degree, and 786 with a college degree or below[137]. Future Outlook - The company provided a positive outlook for 2022, projecting a revenue growth of 25% driven by new product launches and market expansion strategies[99]. - New product development efforts include the introduction of three innovative semiconductor products expected to contribute an additional 300 million yuan in revenue[99]. - The company plans to expand its market presence in Southeast Asia, targeting a 10% market share within the next two years[99]. - A strategic acquisition of a smaller tech firm was announced, which is expected to enhance the company's R&D capabilities and add 200 million yuan in annual revenue[99].

Financial Performance - The company's operating revenue for the first half of 2021 was ¥2,292,379,386.29, representing a 56.54% increase compared to ¥1,464,365,307.19 in the same period last year[12]. - The net profit attributable to shareholders was ¥875,552,952.92, which is a 117.84% increase from ¥401,926,887.19 year-on-year[12]. - The net profit after deducting non-recurring gains and losses was ¥801,731,437.44, up 125.21% from ¥356,000,542.97 in the previous year[12]. - The net cash flow from operating activities was ¥180,991,672.88, a significant improvement from a negative cash flow of ¥247,996,526.43 in the same period last year, marking a 172.98% increase[12]. - The total assets at the end of the reporting period were ¥10,069,490,153.94, reflecting a 32.01% increase from ¥7,627,730,841.82 at the end of the previous year[12]. - The net assets attributable to shareholders increased by 24.26% to ¥6,165,885,010.18 from ¥4,962,143,331.98 at the end of the previous year[12]. - The basic earnings per share were ¥1.4429, which is a 117.83% increase compared to ¥0.6624 in the same period last year[12]. - The diluted earnings per share also stood at ¥1.4429, reflecting the same growth rate of 117.83% year-on-year[12]. - The weighted average return on equity was 16.13%, an increase of 6.95 percentage points from 9.18% in the previous year[12]. Revenue Breakdown - Integrated circuit business revenue was 2,141.81 million yuan, accounting for 93.43% of total revenue[27]. - The integrated circuit segment generated ¥2,141,809,698.54, accounting for 93.43% of total revenue, with a year-on-year growth of 56.60%[36]. - The company achieved a 49.60% year-on-year growth in sales revenue from electronic components, totaling ¥129,456,751.50[36]. - The gross margin for the integrated circuit segment improved by 2.34 percentage points to 59.80%[36]. Investment and R&D - Research and development expenses increased by 62.65% to ¥338,188,905.17, driven by higher personnel costs and R&D materials[34]. - The company added 44 new intellectual property rights during the reporting period, including 21 invention patents[24]. - The company plans to continue increasing R&D investment, particularly in the development of new generation programmable system platform chips[57]. - The company is actively expanding into the Internet of Things, industrial internet, automotive electronics, and digital currency sectors to leverage market opportunities[25]. Market Position and Strategy - The company supported clients in winning a bid for 111.4 million super SIM cards for China Mobile, which supports 5G and digital currency applications[29]. - The company’s market share in domestic bank IC card chips continued to increase, with significant growth in overseas markets for bank cards and payment terminal products[29]. - The automotive-grade security chip solutions have been adopted by numerous well-known car manufacturers, with mass supply achieved[29]. - The company plans to expand into new markets such as 5G, new energy, and photovoltaic inverters, aiming for stable growth in the coming years[32]. - The semiconductor power device business saw rapid revenue growth despite challenges from the pandemic and upstream supply shortages[32]. - The crystal frequency device business reported a 49.60% increase in sales revenue, driven by demand in 5G and IoT markets[33]. Cash Flow and Liquidity - The net increase in cash and cash equivalents was ¥1,201,055,906.10, a significant improvement of 1,800.35% compared to the previous year[35]. - The company's cash and cash equivalents increased to CNY 2,579,332,740.77, representing 25.62% of total assets, up from 19.48% in the previous year, mainly due to the issuance of CNY 1.5 billion convertible bonds[39]. - The company's cash and cash equivalents at the end of the period totaled CNY 2.44 billion, compared to CNY 1.03 billion at the end of the first half of 2020, marking an increase of 137.5%[115]. Shareholder and Equity Information - The company plans not to distribute cash dividends or issue bonus shares for this period[2]. - The total number of ordinary shareholders at the end of the reporting period was 78,373, with the largest shareholder, Tibet Unisplendour Chunhua Investment Co., holding 32.39%[95]. - The company’s share capital remained unchanged at 606,817,968 shares, with 100% being unrestricted shares[93]. - The company’s controlling shareholder pledged 97,917,500 shares, accounting for 49.81% of its holdings and 16.14% of the total share capital, to secure a 10 billion yuan credit facility[89]. Financial Stability and Risks - The company does not anticipate any major operational risks but acknowledges potential challenges in product development and market competition[58]. - The company maintained a loan repayment rate of 100% and an interest payment rate of 100%, demonstrating strong financial stability[105]. - The company's credit rating was maintained at "AA+" with a stable outlook, reflecting solid financial health[104]. - The company has established internal control systems for foreign exchange trading to mitigate exchange rate risks, ensuring no harm to the company or shareholders[49]. Accounting Policies and Compliance - The company adheres to the accounting standards set by the Ministry of Finance, ensuring that financial statements reflect a true and complete picture of its financial status[126]. - The company ensures that all financial data is accurately reported and complies with relevant accounting standards[184]. - The company will recognize the income, expenses, and profits of newly acquired subsidiaries from the acquisition date to the end of the reporting period in the consolidated financial statements[133].

Financial Performance - Revenue for 2020 was RMB 3.27 billion, a decrease of 4.67% compared to 2019[10] - Net profit attributable to shareholders in 2020 was RMB 806.42 million, an increase of 98.74% compared to 2019[10] - Net profit attributable to shareholders after deducting non-recurring gains and losses was RMB 695.80 million, an increase of 79.91% compared to 2019[10] - Cash flow from operating activities in 2020 was RMB 417.67 million, an increase of 57.06% compared to 2019[10] - Basic earnings per share in 2020 were RMB 1.3289, an increase of 98.73% compared to 2019[10] - Weighted average return on equity in 2020 was 17.71%, an increase of 7.56 percentage points compared to 2019[10] - Total assets increased by 19.20% to RMB 7,627,730,841.82 in 2020 compared to the adjusted figure of RMB 6,399,177,822.55 in 2019[11] - Net assets attributable to shareholders of the listed company grew by 18.48% to RMB 4,962,143,331.98 in 2020 from the adjusted RMB 4,188,221,621.10 in 2019[11] - Q4 2020 revenue reached RMB 949,985,659.14, showing a steady quarterly increase from Q1's RMB 645,956,365.30[14] - Net profit attributable to shareholders in Q3 2020 was RMB 282,634,403.75, the highest among all quarters[14] - The company achieved a total operating income of 3,270.2552 million yuan in 2020, a decrease of 4.67% year-on-year, but a growth of 26.38% after excluding the impact of changes in the consolidation scope[27] - The net profit attributable to shareholders of the listed company reached 806.4229 million yuan, a year-on-year increase of 98.74%[27] - The company's total assets reached 7,627.7308 million yuan by the end of 2020, a year-on-year increase of 19.20%[27] - The equity attributable to shareholders of the listed company was 4,962.1433 million yuan, up 18.48% year-on-year[27] - Total revenue for 2020 was 3,270,255,229.79 yuan, a decrease of 4.67% compared to 2019[41] - The company's net profit attributable to parent company owners for 2020 was RMB 806,422,918.70[84] - The company's EBITDA increased by 101.76% year-on-year to 11.64 billion yuan in 2020, driven by the growth in the integrated circuit business and increased intangible asset amortization[186] - The company's net profit for the first half of 2020 was -4.54 billion yuan, with a negative return on equity of -5.26%[183] - Total assets increased to RMB 7,627,730,841.82 in 2020 from RMB 6,399,177,822.55 in 2019, representing a growth of 19.2%[200] - Total liabilities rose to RMB 2,338,940,365.50 in 2020 compared to RMB 1,994,792,494.87 in 2019, an increase of 17.2%[200] - The company's cash and cash equivalents grew to RMB 1,485,553,391.39 in 2020 from RMB 1,179,253,198.70 in 2019, a 26% increase[200] - Accounts receivable increased significantly to RMB 1,052,274,241.86 in 2020 from RMB 606,663,607.07 in 2019, a 73.5% rise[200] - Inventory levels rose to RMB 1,665,391,670.28 in 2020 from RMB 1,313,498,304.43 in 2019, a 26.8% increase[200] - Other current assets surged to RMB 178,976,410.86 in 2020 from RMB 62,317,559.95 in 2019, a 187.2% jump[200] - Fixed assets increased to RMB 462,521,142.52 in 2020 from RMB 397,418,872.90 in 2019, a 16.4% growth[200] - Intangible assets remained stable at RMB 685,676,016.95 in both 2020 and 2019[200] - Deferred tax assets grew slightly to RMB 27,507,051.23 in 2020 from RMB 26,473,144.12 in 2019, a 3.9% increase[200] - Other non-current assets decreased to RMB 15,189,178.40 in 2020 from RMB 92,428,892.29 in 2019, an 83.6% drop[200] Business Segments and Revenue Breakdown - The integrated circuit business generated revenue of 3,046.8404 million yuan, accounting for 93.17% of the company's total revenue[27] - The electronic components business contributed 196.8296 million yuan, representing 6.02% of the total revenue[27] - Revenue from the integrated circuit business accounted for 93.17% of total revenue, a decrease of 6.06% year-on-year[41] - Revenue from the smart security chip segment increased by 3.13% to 1,362,634,939.84 yuan, accounting for 41.67% of total revenue[41] - Revenue from the special integrated circuit segment surged by 55.03% to 1,673,194,324.50 yuan, representing 51.16% of total revenue[41] - Domestic revenue accounted for 94.07% of total revenue, increasing by 10.47% year-on-year to 3,076,340,791.95 yuan[41] - Overseas revenue decreased by 69.97% to 193,914,437.84 yuan, accounting for 5.93% of total revenue[41] - Sales volume of integrated circuits increased by 12.89% to 2,311,998,493 units[43] - Sales volume of electronic components surged by 48.08% to 490,729,345 units[43] R&D and Innovation - The company's R&D investment in 2020 was 603.6744 million yuan, accounting for 18.46% of the operating income, an increase of 1.68 percentage points compared to the previous year[29] - The company added 65 new intellectual property authorizations in 2020, including 10 invention patents, 28 utility models, 7 integrated circuit layout designs, and 20 software copyrights and others[25] - The company's THD89 series chip became the first in China to obtain the global highest security level certification SOGIS CC EAL6+ and the first to support EMV dual-application technology[29] - R&D expenses increased by 97.23% to 346,876,645.32 yuan, driven by increased R&D efforts[48] - R&D expenditure increased by 4.90% to 603,674,375.98 yuan, accounting for 18.46% of revenue, up 1.68 percentage points[49] - The company's special integrated circuit business added 116 new product projects and 67 new salable products, with significant technological innovations in areas like network switching and low-noise design[38] Strategic Initiatives and Industry Trends - The company plans to focus on smart computing, digital security, and high-reliability integrated circuits, aiming to build a "one body, two wings" ecosystem[71] - Key initiatives include deepening cost reduction, improving operational efficiency, and enhancing brand competitiveness through technological innovation and industry collaboration[74] - The integrated circuit industry is expected to maintain a growth rate of over 20% during the "14th Five-Year Plan" period, driven by 5G, AI, IoT, and other emerging industries[66] - The smart security chip industry is experiencing steady growth, with opportunities in IoT terminal security and rising demand for eSIM chips globally[67] - The special integrated circuit industry is rapidly growing, supported by increasing domestic production and the push for supply chain diversification[68] - The semiconductor power device market in China is vast, with a domestic market size of nearly 20 billion yuan for MOSFETs and a localization rate below 50%[69] - The quartz crystal frequency device industry is seeing increased demand, with domestic companies expected to gain more market share as overseas players exit low-end markets[70] Investments and Subsidiaries - The company invested RMB 79,500,000.00 in Shenzhen Ziguang Tongchuang Co., Ltd., maintaining its equity ratio[17] - RMB 89,195,892.20 was transferred from construction in progress to fixed assets during the reporting period[17] - The company's equity in Xi'an Ziguang Guoxin Semiconductor Co., Ltd. decreased from 24% to 8.7059% due to capital increase by other shareholders[17] - RMB 466,440,878.51 was transferred from construction in progress to investment properties[23] - The company invested a total of RMB 104.5 million in equity investments during the reporting period, including RMB 25 million in Beijing Ziguang Smart City Technology Development Co., Ltd. (5% stake) and RMB 79.5 million in Shenzhen Ziguang Tongchuang Electronics Co., Ltd. (36.5% stake)[58] - The company incurred a total investment loss of RMB 97.01 million from equity investments during the reporting period, with significant losses from investments in Tibet Ziguang Xincai Information Technology Co., Ltd. and related entities[58] - The company invested RMB 333.85 million in ongoing non-equity projects during the reporting period, with a cumulative investment of RMB 596.12 million, primarily in the Chengdu R&D Center project (RMB 297.52 million invested, cumulative RMB 466.44 million)[59] - The Chengdu R&D Center project has reached 100% completion, while other projects such as the 5G communication high-frequency quartz crystal oscillator project and the 5G communication network equipment quartz resonator project are at 0.04% and 12.99% completion respectively[60] - Subsidiary Shenzhen Guowei Electronics Co., Ltd. achieved a net profit of 877,183,912.21 yuan, with total assets of 3,440,959,205.40 yuan and revenue of 1,673,194,324.50 yuan[64] - Subsidiary Unigroup Tongxin Microelectronics Co., Ltd. reported a net profit of 36,969,104.74 yuan, with total assets of 1,829,285,384.29 yuan and revenue of 1,219,320,381.48 yuan[64] - Subsidiary Shenzhen Unigroup Tongchuang Electronics Co., Ltd. recorded a net loss of 260,504,863.15 yuan, impacting the company's net profit by over 10%[65] Dividends and Shareholder Returns - The company plans to distribute a cash dividend of RMB 1.35 per 10 shares for 2020[2] - The company implemented a cash dividend distribution of RMB 0.68 per 10 shares for the 2019 fiscal year, totaling RMB 41,263,621.82[80] - For the 2020 fiscal year, the company proposed a cash dividend of RMB 1.35 per 10 shares, totaling RMB 81,920,425.68[81] - The cash dividend for 2020 accounted for 10.16% of the net profit attributable to ordinary shareholders, consistent with the 10.17% ratio in 2019[83] - The company's total distributable profit as of December 31, 2020, was RMB 3,585,690,568.31[84] - The company did not issue stock dividends or implement a capital reserve to share capital conversion plan for 2020[84] - The company's cash dividend policy has remained stable over the past three years, with payout ratios consistently around 10%[83] Corporate Governance and Leadership - The company's controlling shareholder changed in 2016 to Tibet Unigroup Chunhua Investment Co., Ltd., with Tsinghua Holdings Co., Ltd. remaining the actual controller[8] - The company's registered address and office address are located at No. 3129 Wuzhong West Street, Yutian County, Hebei Province[5] - The company's board of directors includes experienced professionals such as Mr. Miao Gang, who has held senior positions at NCR China and is currently the President of Beijing Unisplendour Liansheng Technology Co., Ltd[139] - Mr. Wang Liyan, an independent director, is a professor at Peking University and has extensive experience in financial and environmental accounting[139] - Mr. Huang Wenyu, another independent director, is a senior engineer with a background in telecommunications and has held significant roles in the Ministry of Industry and Information Technology[139] - Ms. Cui Ruotong, an independent director, has a legal background and is currently a senior partner at Beijing Zhonggang Law Firm[140] - Mr. Wang Zhihua, the Chairman of the Supervisory Board, is a professor at Tsinghua University and has extensive experience in the semiconductor industry[141] - Mr. Zheng Bo, a supervisor, has a background in finance and investment, currently serving as the Investment Director at Unisplendour Corporation[141] - Mr. Ma Daojie, the Chairman and President of the company, also holds positions at Beijing Unisplendour Storage Technology Co., Ltd and Unisplendour Zhanrui (Shanghai) Technology Co., Ltd[145] - Mr. Qiao Zhicheng, the Vice President, has a background in economics and has held senior positions at various companies including Shanghai Fosun Pharmaceutical (Group) Co., Ltd[143] - Mr. Du Linhu, the Vice President and Board Secretary, has experience in industry analysis and securities affairs[143] - Ms. Yang Qiuping, the CFO, is a certified public accountant with experience in auditing and financial management[143] - The total number of employees in the company is 1,899, with 69 in the parent company and 1,784 in major subsidiaries[150] - The company has 485 employees with a master's degree or higher, 629 with a bachelor's degree, and 785 with an associate degree or below[151] - The total pre-tax remuneration for senior management in 2020 was RMB 1054.73 million, while independent directors received RMB 396,000 and supervisors received RMB 196,900[148] - The company's employee structure includes 626 production personnel, 239 sales personnel, 815 technical personnel, 57 financial personnel, and 162 administrative personnel[151] - The company's training system includes onboarding training, job skills training, and professional knowledge enhancement to improve employee capabilities[153] - The company's compensation policy links employee salaries to job positions and performance evaluations, with monthly payments and annual performance-based adjustments[152] - The company's independent directors receive an annual allowance of RMB 150,000 (pre-tax), while external supervisors receive RMB 150,000 and employee representatives receive RMB 8,000[147] - The company's chairman and president, Ma Daojie, received a total pre-tax remuneration of RMB 5.4838 million in 2020[149] - The company's vice presidents received pre-tax remunerations ranging from RMB 971,700 to RMB 1.4844 million in 2020[149] - The company's total pre-tax remuneration for directors, supervisors, and senior management in 2020 was RMB 11.1402 million[149] - The company held 5 general meetings of shareholders during the reporting period, with participation rates ranging from 40.03% to 46.96%[163] - The company has an independent business system, with no competition or business dependence with the controlling shareholder[158] - The company has an independent employee team and management system, with senior executives working full-time and receiving salaries exclusively from the company[159] - The company has complete assets, including production equipment and patents, with full control and ownership[160] - The company has an independent financial system, with separate bank accounts and independent tax reporting[162] - The company has established a performance evaluation and incentive system for senior management, with transparent appointment processes[156] - The company has an independent organizational structure, with no interference from the controlling shareholder in operations[161] - The company has improved its information disclosure system and investor relations management[157] - The company's governance structure complies with regulatory requirements and internal regulations[155] - Independent directors attended a total of 14 board meetings, with 6 in-person and 8 via teleconference[165] - The Audit Committee held 6 meetings during the reporting period to review internal audit reports and plans[167] - The Nomination Committee held 2 meetings to review and approve candidates for the 7th Board of Directors[171] - The Compensation Committee proposed increasing independent director allowances from RMB 120,000 to RMB 150,000 per year[172] - The Compensation Committee also proposed raising external supervisor allowances from RMB 10,000 to RMB 15,000 and employee supervisor allowances from RMB 6,000 to RMB 8,000 annually[172] - The company's senior management successfully completed their 2019 performance targets and received corresponding compensation[174] - The company plans to further improve the performance evaluation and incentive mechanisms for senior management[174] - Independent directors provided professional opinions on various matters including major asset restructuring and convertible bond issuance[166] - The Audit Committee reviewed and approved the 2019 financial report and the summary of audit work by Beijing Xinghua Accounting Firm[170] - No risks were identified by the Supervisory Board during its oversight activities in the reporting period[173] - The company's internal control evaluation report shows no significant defects in financial or non-financial reporting, with 100% of assets and revenue included in the evaluation scope[175][176] - The company issued a corporate bond (18 Guowei 01) with a total amount of 300 million yuan, an interest rate of 5.28%, and paid 15.84 million yuan in interest during the reporting period[178] - The company used 300 million yuan of bond proceeds, including 120 million yuan for project investment, 40 million yuan for debt repayment, and 140 million yuan for working capital, with a remaining balance of 0 yuan[180] - The internal control audit report issued by the accounting firm is consistent with the company's self-evaluation report, with a standard unqualified opinion[177] - The bond