Group 1 - Nvidia's computing chips have been reported to have serious security issues [2] - US lawmakers are calling for advanced chips exported from the US to include "tracking and positioning" features [2] - Nvidia's technology for "tracking and positioning" and "remote shutdown" is reportedly mature [2] Group 2 - The National Internet Information Office of China has requested Nvidia to explain the security risks associated with the H20 computing chip sold to China [2] - Nvidia is required to submit relevant proof materials regarding the security vulnerabilities and backdoor risks of the H20 chip by July 31, 2025 [2] - Following the news, shares of Huawei's HiSilicon concept surged, with Digital China rising over 6% and Zhuoyi Information increasing over 4% [2]

A股 华为海思 概念直线拉升， 神州数码 涨超6%， 卓易信息 涨超4%， 飞荣达 、 德龙激光 等跟涨。 ...

Group 1 - The report from China Merchants Securities highlights the introduction of new isostatic equipment and UV printing technology in the solid-state battery manufacturing process to address core interface challenges [1] - UV printing technology is favored for its high precision and automation, making it suitable for the stringent production requirements of solid-state batteries, and is currently a primary choice for leading battery manufacturers [1][2] - The overall cycle time of the solid-state battery production line is currently a bottleneck, with precise control required over various parameters such as laser settings, dispensing speed, adhesive viscosity, and UV curing energy [2] Group 2 - The production of solid-state batteries imposes higher requirements on UV adhesives, particularly in terms of tensile strength, flexibility, and puncture resistance, due to their use in insulating the electrodes [3] - New formulations of solid-state battery UV adhesives are reported to have significant barriers to entry, as they must not react with sulfur-based electrolytes, indicating a specialized market for these materials [3] - Leading companies in the UV adhesive sector, such as Songjing Co., have made significant advancements in solid-state UV adhesive products and equipment [3]

Investment Rating - The report rates the lithium battery equipment industry as "Overweight" due to its expected outperformance compared to the overall market [4]. Core Insights - Solid-state batteries are anticipated to drive increased equipment demand due to their multiple performance advantages, including high energy density, safety, and long cycle life. The market for semi-solid batteries is projected to reach 10GWh in shipments by 2024, with full solid-state batteries expected to enter the GWh application stage by 2028 [4]. - The application of lasers in solid-state batteries is more extensive than in traditional lithium batteries, leading to an expected increase in the value per GW. Key processes include laser insulation of electrode sheets, preheating of dry electrodes, ultra-fast laser cutting, online cleaning with lasers, and laser welding [4]. - Key companies in the sector include Lianying Laser, Delong Laser, Haimu Star, and Jieput. These companies are actively developing equipment suitable for solid-state battery production and have secured orders or partnerships with industry leaders [4]. Summary by Sections Industry Overview - Solid-state batteries are gaining traction due to their superior characteristics, which are expected to accelerate equipment demand [4]. Technology Application - Laser technology is increasingly utilized in various stages of solid-state battery production, enhancing efficiency and reducing costs compared to traditional methods [4]. Key Companies - Lianying Laser has developed equipment for solid-state battery production and has increased its delivery of devices compared to previous years [4]. - Delong Laser focuses on key technologies such as laser insulation and has received orders for its equipment [4]. - Haimu Star is collaborating with leading firms in solid-state battery technology and has signed significant procurement contracts [4]. - Jieput continues to deliver laser products to battery clients, improving production efficiency and quality [4]. Financial Metrics - The report includes a valuation table for laser companies in the solid-state battery sector, highlighting market capitalization and projected net profits for the years 2024 to 2027 [5].

来源：金融界 通过天眼查大数据分析，苏州德龙激光股份有限公司共对外投资了11家企业，参与招投标项目291次， 知识产权方面有商标信息16条，专利信息579条，此外企业还拥有行政许可5个。 金融界消息 截至2025年7月29日收盘，德龙激光（688170）报收于38.1元，上涨1.28%，换手率4.58%， 成交量4.74万手，成交金额1.79亿元。 资金流向方面，今日主力资金净流入1403.62万元，占比成交额7.82%。其中，超大单净流入391.74万 元、占成交额2.18%，大单净流入1011.88万元、占成交额5.64%，中单净流出流入72.59万元、占成交额 0.4%，小单净流出1476.22万元、占成交额8.23%。 德龙激光最新一期业绩显示，截至2025一季报，公司营业总收入9916.51万元、同比减少14.26%，归属 净利润1647.04万元，同比减少126.76%，扣非净利润1991.77万元，同比减少106.23%，流动比率2.557、 速动比率1.512、资产负债率31.66%。 天眼查商业履历信息显示，苏州德龙激光股份有限公司，成立于2005年，位于苏州市，是一家以从事计 算机、通信和 ...

证券代码：688170 证券简称：德龙激光 公告编号：2025-024 苏州德龙激光股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 苏州德龙激光股份有限公司（以下简称"公司"、"德龙激光"）持股 5%以上股东 江阴天龙重工机械有限公司（以下简称"天龙重工"）和一致行动人陈江（以下简称"陈 江及其一致行动人"）保证向本公司提供的信息真实、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： | 一致行动人名称 | 投资者身份 | 统一社会信用代码 | | --- | --- | --- | | 陈江 | □ 控股股东/实控人 □ 控股股东/实控人的一致行动人 其他直接持股股东 | □  不适用 | 二、 权益变动触及 1%刻度的基本情况 公司于 2025 年 7 月 24 日收到陈江及其一致行动人出具的《关于持有苏州 德龙激光股份有限公司股份权益变动触及 1%刻度的告知函》，陈江及其一致行动 人于 2025 年 7 月 24 日通过集中竞价方式合计减持公司股份 1,033,600 股。 本次权益变动后，陈江及其一致行动人所持有的公司股份数量由 6,470,100 股减 ...

Market Overview - The Sci-Tech Innovation Board (科创板) index fell by 0.89%, closing at 983.11 points, with a total trading volume of 2.85 billion shares and a turnover of 94.90 billion yuan, resulting in a weighted average turnover rate of 1.59% [1] - Among the tradable stocks on the Sci-Tech Innovation Board, 180 stocks closed higher, with 5 stocks rising over 10%, including Aowei New Materials, Haosen Intelligent, and Qinchuan Internet of Things, which hit the daily limit [1] Trading Activity - The distribution of turnover rates shows that 2 stocks had turnover rates exceeding 20%, 11 stocks had rates between 10% and 20%, and 36 stocks had rates between 5% and 10% [1] - C Yitang, a newly listed stock, had the highest turnover rate at 50.54%, closing down by 9.66% with a trading volume of 2.20 billion yuan and a net outflow of 134 million yuan [1][2] - Other notable stocks with high turnover rates include Jinchengzi, which closed down by 5.60% with a turnover rate of 25.85%, and Xinyuren, Sikan Technology, and Meidixi, with turnover rates of 18.75%, 16.84%, and 16.24% respectively [1][2] Sector Performance - In the high turnover rate stocks, the pharmaceutical and biological sector had the most representation, with 10 stocks listed, followed by the power equipment and machinery sectors, each with 8 stocks [2] - Among the high turnover stocks, 23 stocks saw an increase, with Haosen Intelligent, Qinchuan Internet of Things, and Meidixi leading with gains of 20.02%, 19.98%, and 13.36% respectively [2] Fund Flow - In terms of fund flow, 22 stocks experienced net inflows, with the highest inflows seen in Huyou Pharmaceutical, Jinchengzi, and Jiayuan Technology, with net inflows of 59.84 million yuan, 40.28 million yuan, and 38.97 million yuan respectively [2] - Conversely, C Yitang, Zhengfan Technology, and Weice Technology had the largest net outflows, with outflows of 134 million yuan, 62.06 million yuan, and 61.24 million yuan respectively [2] Leverage Fund Movements - Recent data indicates that 28 stocks have received net purchases from leveraged funds, with C Yitang, Huyou Pharmaceutical, and Rongchang Bio having the largest increases in financing balances of 208 million yuan, 114 million yuan, and 6.05 million yuan respectively [3]

Core Viewpoint - The announcement details a reduction in shareholding by major shareholders of Suzhou Delong Laser Co., Ltd., which does not trigger a mandatory takeover bid and does not change the controlling shareholder or actual controller of the company [1][2]. Summary by Sections Shareholder Changes - Beijing Woyan Investment Center and its concerted actions, including Jiangyin Woyan, Wuxi Yueyan, and Suzhou Wojie, collectively hold 10,336,000 shares, representing 10% of the total share capital after the reduction [1]. - The reduction in shareholding amounts to a total of 3,674,000 shares, which is a decrease of 3.55% from the previous holding of 14,010,000 shares, or 13.55% of the total share capital [2]. Details of Share Reduction - The share reduction occurred through block trading and centralized bidding from January 2, 2024, to June 25, 2025, with specific reductions as follows: - Beijing Woyan: 1,917,200 shares (1.85%) - Jiangyin Woyan: 400,000 shares (0.39%) - Wuxi Yueyan: 1,260,000 shares (1.22%) - Suzhou Wojie: 36,800 shares (0.04%) [1]. Future Actions - The company will continue to monitor compliance with relevant regulations and ensure timely disclosure of information regarding the ongoing share reduction plan, which aims to reduce up to 3,100,800 shares, not exceeding 3% of the current total share capital [2].

Core Viewpoint - The report details the equity changes of Suzhou Delong Laser Co., Ltd., indicating a reduction in shareholding by several investment centers due to funding needs, resulting in a decrease in their collective ownership from 13.55% to 10.00% [1][6][7]. Group 1: Equity Change Details - The equity change involves a total reduction of 3,674,000 shares, which represents a decrease of 3.55% in the total shareholding [7][10]. - The specific reductions include: - Beijing Woyan Investment Center reduced its holdings by 1,917,200 shares (1.85%) - Jiangyin Woyan Investment Center reduced by 1,660,000 shares (1.61%) - Wuxi Yuyuan Investment Center reduced by 1,320,000 shares (1.29%) - Suzhou Wojie Investment Center reduced by 36,800 shares (0.04%) [7][10]. Group 2: Information Disclosure Obligations - The report confirms that the information disclosure obligations have been met, with no undisclosed significant information related to the equity changes [8]. - The investment centers involved have not engaged in any other transactions involving the company's shares in the past six months, aside from the disclosed equity changes [8][9]. Group 3: Future Plans - The investment centers have indicated that they may continue to adjust their holdings within the next 12 months, adhering to relevant legal and regulatory requirements for disclosure [6][7].

上市公司名称：苏州德龙激光股份有限公司 股票简称：德龙激光 股票代码：688170 股票上市地点：上海证券交易所 信息披露义务人 1：北京沃衍投资中心（有限合伙） 通讯地址：北京市东城区北三环东路 36 号 2 号楼 15 层 D1510 信息披露义务人 2：江阴沃衍投资中心（有限合伙） 通讯地址：北京东城区北三环东路 36 号环球贸易中心 D 座 1510-1512 室 信息披露义务人 3：无锡悦衍投资中心（有限合伙） 通讯地址：北京市东城区北三环东路 36 号 2 号楼 15 层 D1511 室 信息披露义务人 4：苏州沃洁股权投资合伙企业（有限合伙） 通讯地址：北京市东城区北三环东路 36 号 2 号楼 15 层 D1511 室 权益变动性质：股份减少（持股比例下降至 10%） 签署日期：2025 年 6 月 25 日 一、本报告书依据《中华人民共和国公司法》《中华人民共和国证券法》《上市 公司收购管理办法》《公开发行证券的公司信息披露内容与格式准则第 15 号—— 权益变动报告书》及相关的法律、法规和规范性文件编写。 二、信息披露义务人签署本报告书已获得必要的授权和批准。 三、依据《中华人民共和国证券 ...