Summary of Key Points from the Conference Call on China's Semiconductor Industry Industry Overview - The conference call focused on the **China semiconductor industry**, particularly the **High Bandwidth Memory (HBM)** segment and its development challenges and opportunities [1][2]. Core Insights 1. **Technology Gap**: - There is a significant technology gap between Chinese semiconductor suppliers and global leaders, particularly in **DRAM** and **HBM** technologies. The gap is estimated to be several years for DRAM and even longer for HBM [5][10]. - Chinese DRAM suppliers are primarily focused on **1z to 1a technology**, while Korean competitors are advancing to **1b and 1c** technologies [10]. 2. **Development Challenges**: - **System Level Validation**: A key challenge for HBM development in China is the lengthy process of system-level validation, which can take several months even for leading global players [3][4]. - **Equipment and Yield Issues**: While the mechanical production of HBM equipment is feasible, adjusting the equipment for mass production and improving yield rates remains difficult [4]. 3. **Market Dynamics**: - The pricing momentum in the global DRAM market is influenced by the supply mix between DRAM and HBM, as well as the pricing of next-generation HBM4 [14][15]. - Memory manufacturers are shifting capacity towards HBM production due to higher demand, which may lead to reduced production of conventional memory products [15]. 4. **Investment Outlook**: - There is a positive outlook for **China's semiconductor capital expenditures (capex)**, projected to remain high at **US$43-46 billion** from 2025 to 2030, driven by advancements in domestic AI technology and increasing semiconductor demand [2][19]. - Leading domestic suppliers, particularly in the **semiconductor equipment (SPE)** and foundry sectors, are expected to benefit from rising capex trends [2]. 5. **Future Developments**: - Key upgrades from HBM3 to HBM4 include migrating to **11nm technology (1c)** and achieving a pin rate of **11 Gb/s per pin**, which poses significant R&D challenges [13]. - The expert anticipates that the demand for higher pin rates will be driven by downstream GPU players seeking to enhance data bandwidth for next-generation AI servers [13]. Additional Insights - **Chinese Market Adoption**: Despite higher production costs, Chinese DRAM is expected to be adopted in the domestic market due to legacy equipment restrictions impacting global competitiveness [12]. - **WFE Market Growth**: The China wafer fabrication equipment (WFE) market is projected to reach **US$41 billion** by 2026, with deposition, etching, and lithography being the largest segments [20][21]. Conclusion - The Chinese semiconductor industry faces significant challenges in technology and production but is poised for growth driven by domestic demand and investment in advanced technologies. The ongoing development of HBM and DRAM technologies will be critical for maintaining competitiveness in the global market.

Core Insights - The semiconductor sector is experiencing a strong upward trend, with the Shanghai Stock Exchange Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index (950125) rising by 4.57% as of October 24, 2025 [1] - Key stocks such as ShenGong Co., Ltd. (688233) and Zhongju Semiconductor (688549) saw significant increases of 13.82% and 12.96%, respectively [1] - The Ministry of Science and Technology emphasized the ongoing development of artificial intelligence (AI) and high-performance computing chips, which is expected to drive demand for computing power and storage chips [1] Industry Summary - The Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index includes companies involved in semiconductor materials and equipment, reflecting the overall performance of these listed companies [1] - The top ten weighted stocks in the index account for 74.36% of the total index, indicating a concentrated market structure [2] - The anticipated growth in AI investments by domestic internet companies is expected to contribute to an upward cycle in the storage chip industry [1]

Group 1 - The A-share market saw a strong performance in semiconductor stocks, with notable gains including a 20% limit up for Purun Co., over 11% increase for Shenkong Co., and over 10% rise for Huahong Group, leading to a 3.82% and 3.7% increase in the Sci-Tech Semiconductor ETF and Chip ETF respectively [1] - The "14th Five-Year Plan" emphasizes significantly enhancing technological self-reliance and strength, aiming to "lead the development of new quality productivity" and explicitly stating the need to "seize the high ground in technological development" [1] - The Minister of Science and Technology, Yin Hejun, announced the acceleration of innovation in artificial intelligence and digital technologies, focusing on enhancing the supply of computing power, algorithms, and data through the comprehensive implementation of the "AI+" initiative [1] - The consumer electronics market is experiencing a surge in new product releases, driven by demand from AI, data centers, and terminal storage, leading to a continuous rise in the storage market, with major manufacturers like Samsung and SK Hynix announcing a 30% price increase for memory [1] - Google has made a breakthrough in quantum computing with the launch of the "Willow" chip [1] - Financial reports from Cambrian, TSMC, and ASML indicate that the semiconductor industry is still in an upward cycle, with AI being a significant growth driver for the sector [1] Group 2 - The Sci-Tech Semiconductor ETF (588170) has seen a total net inflow of 3.13 billion yuan over the past 20 days, with constituent stocks covering domestic replacement equipment and materials, including companies like Zhongwei Co. (etching equipment), Tuojing Technology (thin film deposition equipment), and Huahai Qingke (CMP equipment) [2] - The largest chip industry ETF, Chip ETF (159995), has a current scale of 28.6 billion yuan, with a net inflow of 2.886 billion yuan over the past 20 days, covering the entire semiconductor industry chain including leading companies like SMIC, Cambrian, Changdian Technology, and Northern Huachuang [1]

关于召开 2025 年第三季度业绩说明会的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 证券代码：688120 证券简称：华海清科 公告编号：2025-069 华海清科股份有限公司 一、说明会类型 本次投资者说明会以网络互动形式召开，公司将针对 2025 年第三季度的经 营成果及财务指标与投资者进行互动交流和沟通，在信息披露允许的范围内就投 资者普遍关注的问题进行回答。 二、说明会召开的时间、地点 （一）会议召开时间：2025 年 10 月 31 日（星期五）15:00-16:00 重要内容提示： 会议召开时间：2025 年 10 月 31 日（星期五）15:00-16:00 会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 投资者可于 2025 年 10 月 24 日（星期五）至 10 月 30 日（星期四）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通 ...

Core Viewpoint - The South China Science and Technology Chip ETF (588890) opened with a slight decline of 0.11%, indicating a challenging market environment for technology-focused investments [1] Group 1: ETF Performance - The South China Science and Technology Chip ETF (588890) opened at 2.682 yuan [1] - Since its establishment on April 15, 2024, the fund has achieved a return of 168.21% [1] - The fund's performance over the past month has been a positive 5.87% [1] Group 2: Major Holdings Performance - Major holdings in the ETF include: - SMIC (中芯国际) down 1.39% [1] - Haiguang Information (海光信息) down 1.33% [1] - Cambricon (寒武纪) down 2.04% [1] - Lattice Technology (澜起科技) down 0.94% [1] - Zhongwei Company (中微公司) down 0.62% [1] - Chipone (芯原股份) down 0.59% [1] - Hu Silicon Industry (沪硅产业) down 1.38% [1] - Hengxuan Technology (恒玄科技) down 1.11% [1] - Sitaiwei (思特威) down 1.26% [1] - Huahai Qingke (华海清科) down 0.70% [1]

Core Viewpoint - The semiconductor industry in China is experiencing significant growth driven by government support, evolving global trade dynamics, and increasing domestic demand for AI and consumer electronics [4][5]. Group 1: Market Performance - The Shanghai Stock Exchange Sci-Tech Innovation Board Chip Index rose by 2.76%, with notable increases in stocks such as SourceJect Technology (up 17.04%) and Baiwei Storage (up 6.30%) [1]. - The Sci-Tech Chip ETF (588200) increased by 2.64%, with a trading volume of 2.128 billion yuan and a turnover rate of 5.42% [3]. - Over the past three months, the Sci-Tech Chip ETF's scale grew by 7.184 billion yuan, ranking first among comparable funds [3]. Group 2: Fund Performance - The Sci-Tech Chip ETF saw a significant increase in shares, with a growth of 1.005 billion shares over the past two weeks, also ranking first among comparable funds [3]. - The ETF recorded a net inflow of 91.1468 million yuan, with a total of 2.602 billion yuan net inflow over the last eight trading days [3]. - As of October 20, 2025, the ETF's net value increased by 132.31% over the past three years, placing it in the top 1% of index equity funds [3]. Group 3: Industry Trends - The semiconductor industry is entering a new upward cycle, supported by government policies and the AI innovation cycle, which enhances expectations for self-sufficiency in chip production [4]. - The domestic semiconductor sector is witnessing a wave of mergers and acquisitions across various fields, including materials, equipment, EDA, packaging, and chip design [5]. - Companies are engaging in horizontal and vertical mergers to expand their scale and improve the supply chain, reshaping the landscape of the domestic semiconductor industry [5]. Group 4: Key Stocks - The top ten weighted stocks in the Sci-Tech Chip Index account for 59.69% of the index, with notable performers including SMIC (up 3.32%) and Haiguang Information (up 2.61%) [3][7]. - Investors without stock accounts can access domestic chip investment opportunities through the Sci-Tech Chip ETF linked fund (017470) [7].

Core Viewpoint - The article discusses the performance of the Kexin 50 Enhanced ETF (588460), highlighting its recent market activity and key holdings, as well as its performance metrics since inception. Group 1: ETF Performance - Kexin 50 Enhanced ETF (588460) opened with a gain of 0.25%, priced at 1.618 yuan [1] - Since its inception on December 1, 2022, the fund has achieved a return of 61.44% [1] - The fund's return over the past month is reported at 1.06% [1] Group 2: Key Holdings - Major stocks in the Kexin 50 Enhanced ETF include: - Haiguang Information: up 0.20% [1] - SMIC: up 0.95% [1] - Cambrian: unchanged [1] - Lanke Technology: up 0.85% [1] - Kingsoft Office: up 0.42% [1] - Sitoway: up 0.02% [1] - Zhongwei Company: up 1.24% [1] - Hengxuan Technology: up 1.11% [1] - Huahai Qingke: up 0.79% [1] - Ninebot: up 0.75% [1] Group 3: Management Information - The Kexin 50 Enhanced ETF is managed by Penghua Fund Management Co., Ltd. [1] - The fund manager is Su Junjie [1]

Core Viewpoint - The Sci-Tech Chip ETF (588200) opened with a gain of 0.52%, indicating positive market sentiment towards the semiconductor sector [1] Group 1: ETF Performance - The Sci-Tech Chip ETF (588200) opened at 2.325 yuan, reflecting a 0.52% increase [1] - Since its establishment on September 30, 2022, the fund has achieved a return of 131.73% [1] - The fund's one-month return stands at 2.51% [1] Group 2: Major Holdings - Key stocks in the ETF include: - SMIC (中芯国际) up 0.95% - Haiguang Information (海光信息) up 0.20% - Cambrian (寒武纪) unchanged at 0.00% - Lattice Technology (澜起科技) up 0.85% - Zhongwei Company (中微公司) up 1.24% - Chipone (芯原股份) up 0.39% - Hu Silicon Industry (沪硅产业) up 0.82% - Hengxuan Technology (恒玄科技) up 1.11% - Sitaiwei (思特威) up 0.02% - Huahai Qingke (华海清科) up 0.79% [1]

Core Viewpoint - The Sci-Tech Chip ETF Index (588920) opened with a gain of 1.62%, reaching 1.506 yuan, indicating positive market sentiment towards the semiconductor sector [1] Group 1: ETF Performance - The Sci-Tech Chip ETF Index (588920) has a benchmark performance based on the Shanghai Stock Exchange Sci-Tech Board Chip Index [1] - Since its establishment on July 16, 2025, the fund has achieved a return of 47.80% [1] - The fund's return over the past month is reported at 1.92% [1] Group 2: Major Holdings - Key stocks within the Sci-Tech Chip ETF Index include: - SMIC (中芯国际) with a gain of 1.74% [1] - Haiguang Information (海光信息) up by 2.96% [1] - Cambricon (寒武纪) increasing by 2.04% [1] - Lattice Technology (澜起科技) rising by 2.88% [1] - Zhongwei Company (中微公司) up by 2.33% [1] - Hu Silicon Industry (沪硅产业) gaining 1.83% [1] - Chipone (芯原股份) increasing by 3.41% [1] - Hengxuan Technology (恒玄科技) up by 1.98% [1] - Huahai Qingke (华海清科) rising by 1.96% [1] - Sitway (思特威) with the highest gain of 5.45% [1]

Core Viewpoint - The continuous breakthroughs in AI technology and advancements in semiconductor equipment manufacturing present significant opportunities for domestic companies like Huahai Qingke, Shengmei Shanghai, and Tuojing Technology in the semiconductor industry [1] Company Performance - Huahai Qingke's revenue for the first half of 2025 reached 1.95 billion yuan, a year-on-year increase of 30.28%, while net profit attributable to shareholders grew by 16.82% to 505 million yuan [3][14] - The company's R&D investment totaled 246 million yuan, reflecting a 40.44% increase year-on-year, with R&D expenses accounting for 12.63% of revenue [12][14] Market Position and Strategy - The market share of domestic semiconductor equipment manufacturers has increased from 7% in 2020 to 19% in 2024, indicating a strong demand for self-sufficiency in the semiconductor industry [5] - Huahai Qingke has developed a platform strategy that integrates equipment and services, with key products including CMP, thinning, cutting, and ion implantation equipment [5] Product Development and Demand - The demand for thinning and cutting equipment is rising due to the promising outlook for advanced packaging and compound semiconductors [8] - The company has successfully launched several models of CMP equipment, with significant orders from leading domestic semiconductor firms [5][8] Capacity Expansion - The company is expanding its production capacity with the opening of a new facility in Beijing and a project in Kunshan aimed at increasing wafer regeneration capacity to 400,000 pieces per month [11][14] - The new facility will enhance the company's competitive edge in the domestic wafer regeneration service market [11] Future Plans - Huahai Qingke is planning to issue overseas listed shares (H-shares) to enhance its international strategy, attract global talent, and improve its capital structure [14]