Group 1 - The Shenzhen Stock Exchange issued a regulatory letter to Shenzhen Hekeda Precision Cleaning Equipment Co., Ltd. regarding accounting errors disclosed in their previous financial reports [1] - The company corrected its financial statements for the first three quarters of 2024, reducing reported revenue and costs, with a significant adjustment of 40.95 million yuan in the third quarter, which accounted for 88.08% of the revenue before adjustment [1] - The company's actions were found to violate the Stock Listing Rules, specifically Articles 1.4 and 2.1.1, prompting a reminder for strict compliance with relevant laws and regulations [1] Group 2 - A report on sunscreen products revealed that production costs are around 3 yuan, while retail prices can reach several tens of yuan, indicating a high-profit margin in the industry [1] - The factory owner commented on the complexity of the industry, suggesting that even a few times the production cost is considered a low profit margin [1]

（文章来源：每日经济新闻） 2024年1至12月份，*ST和科的营业收入构成为：精密清洗设备占比71.68%，其他业务占比14.39%，水 处理设备占比7.33%，线束产品占比4.08%，其他占比2.51%。 *ST和科（SZ 002816，收盘价：17.37元）8月12日晚间发布公告称，郑雨奇先生因个人原因，申请辞去 公司第四届监事会职工代表监事职务，同时辞去在控股子公司担任的职务，辞职后将不在公司及控股子 公司担任任何职务。 ...

Summary of Key Points Core Viewpoint - Shenzhen Hekeda Precision Cleaning Equipment Co., Ltd. has disclosed the cumulative situation of newly added non-significant litigation and arbitration cases over the past twelve months, indicating a total amount of 22.75 million yuan, which accounts for 10.14% of the company's latest audited net assets [1][2]. Group 1: Litigation and Arbitration Overview - The total amount involved in newly added litigation and arbitration cases is 22,752,219.20 yuan, with 10.14% of the company's latest audited net assets being affected [1][2]. - Among the total, the amount where the company and its subsidiaries are plaintiffs is 10,894,500 yuan, representing 47.9% of the total amount [1]. Group 2: Disclosure of Significant Cases - There are no undisclosed significant litigation or arbitration cases where the amount exceeds 10% of the company's latest audited net assets or 10 million yuan [2]. - The company will continue to monitor the situation of litigation and arbitration cases and will fulfill its information disclosure obligations as per the regulations [2]. Group 3: Impact on Company - The impact of the aforementioned cases on the company's current and future profits remains uncertain as the cases are still in the pre-trial stage [2]. - The company will handle accounting matters according to relevant accounting standards and actual situations [2].

Group 1 - The company's stock experienced abnormal trading fluctuations, with a cumulative closing price increase exceeding 12% over three consecutive trading days from May 8 to May 12, 2025 [1] - The board of directors conducted a verification process regarding the stock's abnormal trading, confirming no undisclosed significant information or major changes that could impact the stock price [1] - The board confirmed that there are no undisclosed matters that should be reported according to the Shenzhen Stock Exchange regulations, and previous disclosures do not require correction or supplementation [1] Group 2 - The company has been under "delisting risk warning" since April 30, 2025, due to its operating revenue falling below 300 million [2] - The stock name was changed to "*ST 和科," while the stock code remains "002816," with a trading limit of 5% on price fluctuations [2] - Investors are advised to pay attention to investment risks as the company has been subject to delisting risk warnings [2]