证券代码：300321 证券简称：同大股份 公告编号：2023-033 截至目前，华盛百利集中竞价方式减持股份计划的时间已届满，根据中国证 监会、深圳证券交易所相关法规的规定，现将有关股份减持计划的实施进展情况 公告如下： 一、 股东减持股份情况 | 股东名称 | 减持方式 | 减持期间 | 减持均价 | 减持股数（万股） | 减持比例（%） | | --- | --- | --- | --- | --- | --- | | 华盛百利 | 集中竞价交易 | - | - | 0 | 0 | | | 大宗交易 | - | - | 0 | 0 | | | 其他方式 | - | - | 0 | 0 | | | 合计 | - | - | 0 | 0 | 山东同大海岛新材料股份有限公司 关于股东集中竞价减持计划时间届满的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）于 2023 年 1 月 17 日披露了《关于持股 5%以上股东减持计划预披露的公告》（公告编号：2023-003）。 股东华盛百利投资发展（北京）有限 ...

Financial Performance - The company's operating revenue for Q1 2023 was ¥73,698,000.47, a decrease of 41.81% compared to ¥126,661,504.23 in the same period last year[4] - The net profit attributable to shareholders was a loss of ¥10,668,635.57, representing a decline of 647.72% from a profit of ¥1,947,817.70 in the previous year[4] - Basic and diluted earnings per share were both -¥0.1201, a decrease of 648.40% from ¥0.0219 in the previous year[4] - The net profit for Q1 2023 was a loss of ¥10,668,635.57, compared to a profit of ¥1,947,817.70 in Q1 2022, indicating a significant decline[18] Assets and Equity - Total assets at the end of the reporting period were ¥679,939,177.40, down 1.18% from ¥688,041,432.05 at the end of the previous year[4] - The company's equity attributable to shareholders decreased by 1.70%, from ¥629,176,936.17 to ¥618,508,300.60[4] - The company's total assets decreased to ¥679,939,177.40 from ¥688,041,432.05, a reduction of 1.5%[15] - The total equity attributable to shareholders decreased to ¥618,508,300.60 from ¥629,176,936.17, a decline of 1.1%[15] Cash Flow - The net cash flow from operating activities improved by 89.63%, with a net outflow of ¥5,051,286.64 compared to an outflow of ¥48,692,958.02 in the same period last year[4] - The cash inflow from operating activities for Q1 2023 was CNY 51,302,988.59, a decrease of 50.0% compared to CNY 102,615,219.22 in the previous period[20] - The cash outflow from operating activities totaled CNY 56,354,275.23, down from CNY 151,308,177.24, resulting in a net cash flow from operating activities of CNY -5,051,286.64[20] - The cash and cash equivalents at the end of the period increased to CNY 165,331,198.33 from CNY 110,519,451.30, marking a significant recovery[21] Expenses - Total operating costs for Q1 2023 were ¥84,841,752.64, down from ¥123,498,678.23, reflecting a reduction of 31.3%[17] - Sales expenses increased by 50.84% year-on-year, primarily due to higher promotional costs[10] - Financial expenses rose by 135.52% compared to the previous year, mainly due to fluctuations in the USD exchange rate[10] - Research and development expenses for Q1 2023 were ¥3,729,182.04, down from ¥4,425,568.52, a decrease of 15.7%[17] Income - The company reported a 100% increase in non-operating income compared to the previous year, attributed to higher non-production-related income[10] - The company reported a significant increase in interest income to ¥987,485.98 from ¥725,174.44, an increase of 36.2%[18] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 5,840[10]

Financial Performance - The company's operating revenue for 2022 was ¥464,370,707.88, a decrease of 10.71% compared to ¥520,065,387.98 in 2021[17] - Net profit attributable to shareholders increased by 258.89% to ¥11,386,429.17 from ¥3,172,674.07 in the previous year[17] - The net profit after deducting non-recurring gains and losses was ¥7,645,070.42, a significant increase of 1,359.29% compared to a loss of ¥607,093.81 in 2021[17] - The basic earnings per share rose to ¥0.1282, reflecting a 259.10% increase from ¥0.0357 in 2021[17] - The company's main business revenue for 2022 was ¥442,975,024.10, a decrease of 10.51% compared to ¥494,979,113.06 in 2021[42] - The total revenue for the year 2022 was 201,453,351.65 CNY for synthetic leather, representing a 29.78% increase compared to the previous year[50] - The gross profit margin for synthetic leather products was 13.05%, showing a slight increase of 0.10% year-over-year[50] - The sales volume for synthetic leather manufacturing decreased by 20.71% to 1,256.48 million square meters in 2022 compared to 2021[51] Assets and Cash Flow - The total assets at the end of 2022 were ¥688,041,432.05, down 6.41% from ¥735,147,069.27 at the end of 2021[17] - The company's cash flow from operating activities showed a net outflow of ¥2,133,351.90, a decline of 104.64% compared to a positive cash flow of ¥45,977,409.74 in 2021[17] - The company's net cash flow from operating activities was -¥2,133,351.90 in 2022, a decline of 104.64% compared to ¥45,977,409.74 in 2021, primarily due to decreased revenue and increased operating expenses[61] - Investment activities generated a net cash flow of -¥44,816,336.84 in 2022, a significant drop of 235.26% from ¥33,134,505.53 in 2021, mainly due to increased investment in financial products[61] - Total cash and cash equivalents decreased by ¥48,693,133.30 in 2022, a decline of 180.60% compared to an increase of ¥60,416,266.67 in 2021[61] Research and Development - The company’s R&D expenses for 2022 were ¥17,454,885.59, a slight increase of 1.45% from ¥17,204,807.00 in 2021[42] - R&D investment amounted to ¥17,454,885.59 in 2022, representing 3.76% of operating revenue, an increase from 3.31% in 2021[58] - The number of R&D personnel decreased by 3.16% to 92 in 2022, with a proportion of 15.54% of total employees[58] - The company completed the development of various new synthetic leather products, enhancing competitiveness and environmental sustainability[57] - The company aims to achieve a 25% bio-based content in its low-carbon footprint synthetic leather, aligning with "dual carbon" policies[58] - The company has made significant progress in developing antibacterial and antiviral synthetic leather, enhancing its innovation capabilities[57] Market and Product Development - The company aims to become a leading global supplier of ultra-fine fiber products, with a focus on ecological and high-performance materials[32] - The market for ultra-fine fiber synthetic leather is expanding, driven by increasing demand for eco-friendly materials and advanced processing techniques[28] - The company has established several research and technology centers, enhancing its capabilities in product innovation and development[32] - The company’s products are widely used in various industries, including footwear, automotive interiors, and sports equipment, with notable clients such as LV, ZARA, and BMW[36] - The company plans to enhance product differentiation and expand its product series to meet diverse customer needs, focusing on new materials and technologies[73][75] Governance and Compliance - The company held 2 shareholder meetings, 4 board meetings, and 3 supervisory meetings during the reporting period, ensuring compliance with governance regulations[90] - The board of directors consists of 9 members, including 3 independent directors, ensuring a diverse and qualified governance structure[91] - The company has established a robust information disclosure system, ensuring timely and accurate communication with investors[95] - The company maintains independence from its controlling shareholder in terms of operations, assets, and finances, ensuring a self-sufficient business model[98] - The company has established an independent governance structure, including a shareholder meeting, board of directors, and supervisory board, adhering to legal regulations[101] Shareholder Returns - The company plans to implement a shareholder return plan for the next three years (2022-2024)[117] - The company implemented a cash dividend policy, distributing a total of 3,108,000 CNY (including tax) based on a base of 88,800,000 shares, with a dividend of 0.35 CNY per 10 shares[131] - The net profit for the year was 11,386,429.17 CNY, with a legal surplus reserve of 1,138,642.92 CNY, representing a 10% extraction rate[131] - The total distributable profit at the end of the year was 10,247,786.25 CNY, with retained earnings amounting to 259,195,852.72 CNY[131] - The company ensured that the cash dividend distribution plan complied with the Company Law and the Articles of Association, protecting the interests of all shareholders, especially minority shareholders[132] Risk Management - The company faces risks related to accounts receivable, with a significant balance that could be affected by changes in the macroeconomic environment[79] - The company is exposed to raw material price fluctuation risks, particularly due to the impact of international oil prices on key materials like polyethylene and nylon[82] - The company has a significant export business, accounting for nearly 40% of its operations, making it sensitive to fluctuations in the RMB exchange rate[83] - The company has established a comprehensive inventory management mechanism to monitor stock status and reduce inventory impairment risks[81] Employee Management - The total number of employees at the end of the reporting period is 592, with 397 in production, 21 in sales, 92 in technical roles, 8 in finance, and 74 in administration[124] - The educational background of employees includes 57 with a bachelor's degree or higher, 104 with a college diploma, 102 with a high school diploma, and 329 with vocational or lower education[125] - The company emphasizes a competitive salary policy based on efficiency and performance, ensuring that employee compensation is aligned with market standards[126] - Training programs are tailored to employee needs and company development goals, including various types of training such as onboarding, professional knowledge, management skills, and specialized skills[127] Audit and Financial Reporting - The audit report issued a standard unqualified opinion, indicating that the financial statements fairly reflect the company's financial position as of December 31, 2022[193] - The internal control system was evaluated as effective in maintaining financial reporting integrity, with no significant defects reported[136] - The internal control audit report confirmed that the company maintained effective financial reporting internal controls as of December 31, 2022[136] - The management is responsible for the accuracy of the financial statements and related disclosures[198] - The audit opinion does not cover other information outside the financial statements and audit report[199]

证券代码：300321 证券简称：同大股份 公告编号：2023-018 山东同大海岛新材料股份有限公司 关于举行 2022 年度网上业绩说明会的公告 出席本次业绩说明会的人员有：公司董事长张振江先生、总经理徐旭日先生、 财务总监李艳霞女士、独立董事王京先生、董事会秘书张莎女士。 为充分尊重投资者、提升交流的针对性，现就公司 2022 年度业绩说明会提 前向投资者公开征集问题，广泛听取投资者的意见和建议。公司欢迎广大投资者 于2023年4月27日（星期四）15:00前，将关注的问题通过http://ir.p5w.net/zj 界面的提问通道进行提问，或扫描下方二维码，进入问题征集专题页面提问。 公司将在 2022 年度业绩说明会上，对投资者普遍关注的问题进行回答。敬 请广大投资者积极参与！ 特此公告。 山东同大海岛新材料股份有限公司 董事会 2023 年 4 月 21 日 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）《2022 年年度报 告及摘要》于 2023 年 4 月 22 日披露于巨潮资讯网（http: ...

Group 1: Company Development and Strategy - The company plans to enhance product technology and added value based on market demand for high-quality and sustainable development [1] - Future growth points will focus on strengthening R&D efforts, particularly in environmental and recyclable technologies [1] Group 2: Supplier and Material Management - The company maintains stable quality from long-term suppliers, ensuring that raw materials meet R&D and production needs [1] - The impact of raw material price increases has been acknowledged, with measures in place to mitigate risks [3] Group 3: Financial Performance and Market Conditions - The company has experienced some impact from the pandemic, but production and operations remain normal [2] - The company’s cash flow is currently stable, adhering to accounting standards [4] - The stock price is influenced by various factors including economic environment and market conditions [3] Group 4: Operational Capacity and Market Position - The current capacity utilization rate is at a reasonable level [3] - The company holds a significant market share in the domestic mid-to-high-end market for eco-friendly synthetic leather [3]

证券代码：300321 证券简称：同大股份 公告编号：2022-045 山东同大海岛新材料股份有限公司 关于参加山东辖区上市公司 2022 年度投资者 网上集体接待日活动的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 为进一步加强与投资者的互动交流工作，构建和谐投资者关系，切实提高上 市公司透明度和治理水平，山东同大海岛新材料股份有限公司（以下简称"公 司"）将参加由山东证监局联合协会举办的"山东辖区上市公司 2022 年度投资 者网上集体接待日活动"，现将有关事项公告如下： 本次投资者网上集体接待日活动将通过深圳市全景网络有限公司提供的互 联网平台举行，投资者可以登录全景网"投资者关系互动平台" （http://ir.p5w.net/）参与公司本次投资者网上集体接待日活动，互动交流时 间为 2022 年 11 月 16 日（星期三）14:00 至 16:00。 届时公司董事长张振江先生、总经理徐旭日先生、副总经理兼财务总监李艳 霞女士、董事会秘书张莎女士将参加本次投资者网上集体接待日活动，与投资者 进行在线交流，欢迎广大投资者积极参与。 特此公告。 ...

山东同大海岛新材料股份有限公司 2022 年第三季度报告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、误 导性陈述或重大遗漏。 重要内容提示： 1、董事会、监事会及董事、监事、高级管理人员保证季度报告的真实、准确、完整，不 存在虚假记载、误导性陈述或重大遗漏，并承担个别和连带的法律责任。 2、公司负责人、主管会计工作负责人及会计机构负责人(会计主管人员)声明：保证季度 报告中财务信息的真实、准确、完整。 3、第三季度报告是否经过审计 □是 否 1 山东同大海岛新材料股份有限公司 2022 年第三季度报告 一、主要财务数据 山东同大海岛新材料股份有限公司 2022 年第三季度报告 （一） 主要会计数据和财务指标 公司是否需追溯调整或重述以前年度会计数据 □是 否 | | 本报告期 | 本报告期比上年同 | 年初至报告期末 | 年初至报告期末比 | | --- | --- | --- | --- | --- | | | | 期增减 | | 上年同期增减 | | 营业收入（元） | 111,494,076.74 | -20.38% | 368,447,317.41 | -0.59% | ...

Financial Performance - The company's operating revenue for the first half of 2022 was ¥256,953,240.67, representing an increase of 11.43% compared to ¥230,591,701.69 in the same period last year[21]. - The net profit attributable to shareholders decreased by 7.17% to ¥6,963,855.01 from ¥7,501,647.46 year-on-year[21]. - The basic earnings per share decreased by 7.22% to ¥0.0784 from ¥0.0845 in the same period last year[21]. - The net profit after deducting non-recurring gains and losses was ¥4,576,880.85, down 5.84% from ¥4,860,875.14 in the previous year[21]. - The total liabilities as of the end of the first half of 2022 amounted to ¥160,768,931.31, compared to ¥114,514,963.36 at the end of the first half of 2021, an increase of about 40.4%[124]. - Total equity attributable to shareholders of the parent company was ¥624,754,362.01 at the end of the first half of 2022, up from ¥620,632,105.91 at the end of the first half of 2021, reflecting a slight increase of approximately 0.4%[124]. - The total comprehensive income for the first half of 2022 was 647.46 million yuan[134]. Cash Flow and Investments - The net cash flow from operating activities improved by 43.48%, reaching -¥6,121,750.14 compared to -¥10,830,415.45 in the previous year[21]. - The company reported a significant decrease in cash flow from investment activities, with a net outflow of ¥41,990,060.00, a 2,290.62% increase compared to the previous year[44]. - The company's cash and cash equivalents decreased by 64.14% to ¥-50,491,163.02, primarily due to reduced cash flow from investment activities[44]. - Cash generated from operating activities in the first half of 2022 was ¥198,361,367.79, compared to ¥150,630,355.20 in the same period of 2021, representing an increase of approximately 31.7%[127]. - The net cash flow from investing activities was -41,990,060.00 CNY, worsening from -1,756,449.34 CNY in the previous period[128]. - Cash and cash equivalents at the end of the period totaled 139,598,081.05 CNY, down from 190,089,244.07 CNY at the beginning of the period, a decrease of 26.5%[129]. Research and Development - The company's R&D investment increased by 18.75% to ¥8,914,409.44 from ¥7,507,036.79 year-on-year[44]. - Research and development expenses for the first half of 2022 were ¥8,914,409.44, compared to ¥7,507,036.79 in the first half of 2021, indicating an increase of about 18.7%[124]. - The company is advancing the research and development of environmentally friendly new products, specifically ultra-fine fiber artificial leather[74]. Market and Product Strategy - The main business remains focused on the research, production, and sales of ultra-fine fiber artificial leather, with no changes in major products[30]. - The company has established a strong brand presence in the high-end market, with clients including BMW, LV, and Adidas, contributing to its competitive advantage[33]. - The company is expanding its market presence, targeting a 10% increase in market share within the next year through strategic partnerships[79]. - New product development includes the launch of a cutting-edge material expected to enhance production efficiency by 30%[78]. Shareholder and Governance - The company plans not to distribute cash dividends or issue bonus shares[6]. - The company emphasizes strict compliance with laws and regulations, ensuring the protection of shareholder rights, particularly for minority shareholders[72]. - The company has committed to a cash dividend distribution of at least 20% of the distributable profits for the year, reflecting a strong commitment to shareholder returns[79]. - The integrity status of the company and its controlling shareholders remains good, with no significant debts overdue[85]. Environmental and Social Responsibility - The company has a strong focus on environmental protection, implementing clean and green production practices to enhance its sustainability efforts[38]. - The company is committed to sustainable development, actively promoting energy conservation and emission reduction initiatives[74]. - The company actively supports local economic development through job creation and tax contributions[73]. Financial Management and Compliance - The company adheres to the accounting standards set by the Ministry of Finance, ensuring the financial statements reflect its financial status accurately[144]. - The financial report for the first half of 2022 has not been audited, which may affect the reliability of the financial data presented[117]. - The company has not engaged in any external guarantees that violate regulations during the reporting period, maintaining compliance[81]. Asset Management - The total assets at the end of the reporting period were ¥785,523,293.32, an increase of 6.85% from ¥735,147,069.27 at the end of the previous year[21]. - The company's current assets totaled CNY 501,224,491.31, up from CNY 438,245,615.68 at the start of the year, indicating an increase of about 14.4%[119]. - Accounts receivable rose to CNY 71,119,784.38 from CNY 48,537,605.23, representing a significant increase of approximately 46.5%[119]. - Inventory levels increased to CNY 126,196,209.58, compared to CNY 119,294,475.61 at the beginning of the year, marking a rise of about 5.5%[119]. Risk Management - The company is closely monitoring raw material price fluctuations, particularly for polyethylene and nylon, which are affected by international oil prices[60]. - The company has established internal controls for foreign exchange derivative transactions to manage currency fluctuation risks[61]. - The expected credit loss rates for accounts receivable are as follows: 5% for within 1 year, 10% for 1-2 years, 20% for 2-3 years, 50% for 3-4 years, and 100% for over 4 years[176].

山东同大海岛新材料股份有限公司 2022 年第一季度报告全文 山东同大海岛新材料股份有限公司 2022 年第一季度报告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、误导 性陈述或重大遗漏。 重要内容提示: 1.董事会、监事会及董事、监事、高级管理人员保证季度报告的真实、准确、完整，不存在 虚假记载、误导性陈述或重大遗漏，并承担个别和连带的法律责任。 2.公司负责人、主管会计工作负责人及会计机构负责人(会计主管人员)声明：保证季度报告 中财务信息的真实、准确、完整。 3.第一季度报告是否经过审计 □ 是 √ 否 一、主要财务数据 (一)主要会计数据和财务指标 公司是否需追溯调整或重述以前年度会计数据 □ 是 √ 否 | | 本报告期 | 上年同期 | 本报告期比上年同期增减 | | --- | --- | --- | --- | | 营业收入（元） | 126,661,504.23 | 100,087,808.99 | 26.55% | | 归属于上市公司股东的净利润（元） | 1,947,817.70 | 3,350,868.22 | -41.87% | | 归属于上市公司股东的扣 ...