Group 1 - The stock price of Tongyi Co., Ltd. closed at 17.71 yuan on August 20, 2025, down 0.06% from the previous trading day, with a trading volume of 1.01 billion yuan [1] - The stock price fluctuated between 17.45 yuan and 17.86 yuan on the same day, with a volatility of 2.31% [1] - Tongyi Co., Ltd. specializes in the research, production, and sales of polymer materials and related products, covering sectors such as plastic products, Honor concept, and PEEK materials [1] Group 2 - The company stated on its investor interaction platform that it currently does not sell products related to photoinitiators [1] - On August 20, the net outflow of main funds was 4.173 million yuan, with a cumulative net outflow of 39.583 million yuan over the past five days [1]

证券代码：300538 证券简称：同益股份 公告编号：2025-045 深圳市同益实业股份有限公司 关于公司对外投资基金的进展暨变更名称的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 近日，公司收到中航南山的通知，中航南山及天使基金已完成变更名称的工 商变更登记手续。具体情况如下： 1、执行事务合伙人名称变更 执行事务合伙人中航南山名称变更为"凯晟南山私募股权投资基金管理（深 圳）有限公司"。 第 1 页 共 2 页 一、对外投资概述 深圳市同益实业股份有限公司（以下简称"公司"）于 2019 年 6 月 18 日、 2019 年 11 月 21 日、2020 年 2 月 26 日分别披露了《关于对外投资设立产业投资 基金的公告》（公告编号：2019-056）、《关于对外投资设立天使投资基金的公 告》（公告编号：2019-086）、《关于投资设立共青城中航凯晟肆号创业投资基 金的公告》（公告编号：2020-004），公司与中航南山股权投资基金管理（深圳） 有限公司（以下简称"中航南山"）共同发起设立共青城中航凯晟贰号创业投资 合伙企业（有限合伙）（以下 ...

Core Viewpoint - Tongyi Co., Ltd. (300538) stated on August 13 that its products are applicable in robot screens, casings, and internal structural components, but the company does not supply directly to end customers [1] Company Summary - The company produces products that can be used in various applications related to robotics [1] - The company does not engage in direct sales to end customers, indicating a focus on B2B operations [1]

Core Viewpoint - Tongyi Co., Ltd. (300538) has a diverse range of composite material products, which are applicable in various high-tech industries due to their excellent properties [1] Group 1: Product Range - The company produces high-end engineering plastic plates and rods, including PEEK, PEI, PPS, PA6, PA66, ABS, PC, POM, HDPE, and PP [1] - These products are characterized by their wear resistance, vibration resistance, corrosion resistance, and anti-static properties [1] Group 2: Application Scenarios - The composite materials can be widely applied in several sectors such as drones, new energy vehicles, semiconductors, military equipment, intelligent automation devices, photovoltaics, high-speed rail, medical devices, and bridge infrastructure [1]

证券日报网讯同益股份（300538）8月13日在互动平台回答投资者提问时表示，公司产品已被应用于无 人机等低空经济产业链，其销售占比较小。 ...

证券日报网讯同益股份8月13日在互动平台回答投资者提问时表示，截至2025年8月8日，公司股东总数 为17，601户。 （文章来源：证券日报） ...

Group 1 - The company, Tongyi Co., focuses on mid-to-high-end chemical and electronic materials, having expanded its customer base to include industries such as consumer electronics, smart home appliances, display panels, automotive, chips, drones, robotics, new energy, and 5G [2] - The company aims to seize opportunities in the domestic substitution market by continuously enriching its product variety in bars and rods, while also expanding its market application areas to enhance scale and agglomeration effects [2]

Group 1 - The core viewpoint of the article is that Tongyi Co., Ltd. (300538.SZ) has indicated that its products, such as polymer composite boards and rods, can ultimately be applied in the robotics field [1] - Currently, the company has not established direct cooperation with end robot customers [1]

Group 1 - The company, Tongyi Co., Ltd. (300538.SZ), has indicated that its products, such as polymer composite plates and rods, can ultimately be applied in the robotics field [1] - As of now, the company has not established a partnership with Zhiyuan Robotics [1]

Group 1 - The core viewpoint of the article indicates that Tongyi Co., Ltd. (300538.SZ) has products such as polymer composite boards and rods that can ultimately be applied in the robotics field [1] - Currently, the company has not directly collaborated with end robot customers [1]