Core Insights - The 2025 World Manufacturing Conference was held in Hefei, where the "2025 China Manufacturing Enterprises Top 500" list was released, showcasing the strong development momentum of companies like Dousheng Group, which ranked 383rd, up 10 places from the previous year [1] Group 1: Company Overview - Dousheng Group is a century-old state-owned enterprise with three main sectors: rubber tires, artificial intelligence and high-end equipment, and waste tire recycling [2] - Since 2016, Dousheng has established the world's first full-process "Industry 4.0" intelligent factory in the tire industry and a leading AI digital twin design platform [2] - Dousheng Group reported a revenue of 28.2 billion yuan, with a profit growth of 183% year-on-year, and a 66% revenue increase compared to 2020, with profits growing sevenfold [2] Group 2: Technological Advancements - In the field of intelligent manufacturing, Dousheng's "Industry 4.0" factory integrates advanced information communication technology, digital control technology, and intelligent equipment, creating a smart ecosystem driven by user orders and data [3] - The factory employs a self-developed smart physical information system (MEP) to achieve intelligent matching of information related to materials, people, equipment, and locations, addressing challenges in full-process manufacturing [3] - Production efficiency has increased nearly threefold, and the defect rate of products has decreased by over 80% [3] Group 3: Product Development - Dousheng has built a leading AI digital twin design platform, transitioning from physical tire development to virtual tire development, meeting the technical requirements of world-class automotive manufacturers [3] - The company has developed high-performance products such as the world's first "all-explosion-proof" passenger car safety tire and environmentally friendly "rare earth gold" bus tires, receiving positive feedback from users and testing institutions [3] Group 4: Future Outlook - Dousheng aims to leverage its ranking as an opportunity to deepen product technology innovation and expand into overseas markets, focusing on providing safer and superior tire products and services to meet global user demands [4]

Core Viewpoint - The Ministry of Industry and Information Technology has announced the first batch of high-level quality management capability enterprises in China, with Double Star Tire being the only company in the tire industry to be included, setting a new benchmark for the industry and accelerating the move towards "excellent quality" in Chinese manufacturing [1][2]. Group 1: Company Achievements - Double Star Tire has been recognized for its outstanding achievements in enhancing quality management through digitalization, contributing to the healthy and high-quality development of the industry [1]. - The company is the only tire manufacturer included in the first batch of 43 high-level enterprises, demonstrating its leadership in quality management systems, process control effectiveness, continuous quality improvement, and quality performance [2][3]. - Double Star has established the world's first fully integrated "Industry 4.0" intelligent factory and a leading AI digital twin design platform since 2016, and has been awarded multiple national honors for quality management and innovation [3][5]. Group 2: Financial Performance - In 2024, Double Star Tire is projected to become the first tire brand in China valued over 100 billion yuan, with the company reporting revenues of 28.2 billion yuan and a profit increase of 183% year-on-year [5]. - Compared to 2020, the company's revenue has grown by 66%, and profits have increased sevenfold, indicating strong financial growth and market competitiveness [5]. Group 3: Future Plans - Double Star aims to use this recognition as a new starting point to deepen the integration and innovation of digitalization, intelligence, and quality management, with the goal of becoming a world-class sustainable enterprise [6].

| 投资者关系活动 | □特定对象调研 □ 分析师会议 | | --- | --- | | 类别 | □ 媒体采访 √ 业绩说明会 | | | □ 新闻发布会 □ 路演活动 | | | 现场参观 □ | | | 其他 年青岛辖区上市公司投资者网上集体接待日暨 √ 2025 | | | 2024 年度业绩说明会活动 | | 参与单位名称及 | 投资者网上提问 | | 人员姓名 | | | 时间 | 2025 年 5 月 12 日 (周一) 下午 14:40~17:00 | | 地点 | 公司通过全景网"投资者关系互动平台"（https://ir.p5w.net） | | | 采用网络远程的方式召开业绩说明会 | | 上市公司接待人 | 1、总经理张晓新 | | 员姓名 | 2、董事会秘书王博 | | | 3、财务负责人邹广峰 | | | 4、独立董事王荭 | | | 5、独立董事权锡鉴 投资者提出的问题及公司回复情况 | | | 公司就投资者在本次说明会中提出的问题进行了回复： 1、请问你们有信心能把公司做大做强吗？ | | | 尊敬的投资者您好，公司坚持以高质量党建引领高质量发 | | 投资者关系活动 | 展 ...

Core Viewpoint - A public letter allegedly signed by Wang Hai, the founder of Qingdao Double Star, has circulated online, claiming he is being pressured by family members to relinquish control of the company [1][3] Group 1: Family Conflict - The public letter details an incident on April 11, where Wang Hai was reportedly held for two hours by his grandson, Wang Zidong, and was pressured to hand over management rights [3][4] - Wang Hai's daughter-in-law, Xu Ying, stated she is unaware of the letter's authenticity and promised a public response [3][4] - The conflict appears to have been triggered by the removal of Xu Ying from her financial management role on April 11 [5] Group 2: Company Background - Qingdao Double Star was founded in 2002 and controls around 30 enterprises, with Wang Hai holding a 21.88% stake and 52% in Qingdao Mingren Marine Trade Co., Ltd [5] - Xu Ying is identified as the actual controller of the group, holding a significant indirect stake [5] - The company has shifted focus from footwear to tires, with the tire business now being its primary revenue source [6][15] Group 3: Historical Context - The "Double Star" brand has a history dating back to 1921, originally producing rubber shoes [11][12] - Under Wang Hai's leadership, the company transitioned to sports shoes in 1986 and became a leading brand in China [13][14] - The rise of foreign brands and local competitors led to a decline in the footwear business, prompting a strategic shift to tire manufacturing [15]