Group 1: Company Development Strategy - The company aims to become a world-class electronic materials company, focusing on the development of MO sources and high-purity electronic materials for LED and integrated circuit industries [1][2] - Key development directions include: 1. MO sources for LED, solar energy, and defense aviation sectors [2] 2. High-purity gases, particularly phosphine and arsine, to develop high-end electronic gases [2] 3. Advanced semiconductor materials like photoresists [2] 4. High-purity titanium precursor materials [2] 5. Other high-purity electronic materials for various applications [2] Group 2: Operational Progress - The company continues to strengthen its MO source business, aiming to be a major supplier both domestically and globally [3] - High-purity phosphine and arsine have received safety production licenses, with products already in trial use by major LED and semiconductor companies [3] - The company is actively advancing the industrialization of high-end photoresists and has developed high-purity titanium precursor materials, with ongoing recruitment of high-end talent [3][4] Group 3: Financial Performance - The company's main product, trimethyl gallium, saw a price drop of approximately 38% year-on-year, significantly impacting revenue [4] - Cash management changes led to a decrease in net profit, with a reported loss of approximately 8 million yuan due to the shift from bank deposits to financial products [5] - A subsidiary, Quanjiao Nanda Optoelectronic Materials Co., Ltd., started production in June but reported a loss of about 4.8 million yuan during the reporting period [5] Group 4: Future Projects - The company is involved in the "02 Special Project," focusing on the R&D and industrialization of high-purity phosphine and arsine [5] - There are plans to actively monitor and participate in other projects under the "02 Special Project" in the future [5]

证券代码：300346 证券简称：南大光电 编号：2019-001 江苏南大光电材料股份有限公司投资者关系活动记录表 | --- | --- | --- | |----------------|---------------------|--------------------------------------------------------| | | | | | 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 （请文字说明其他活动内容） | | 参与单位名称及 | | 国海证券-王凌涛、杨钟；上投摩根基金—黄进； | | 人员姓名 | 国盛证券-吴成鼎 | | | 时间 | 2019 年 01 月 | 15 日 10：00 | | 地点 | 公司会议室 | | | 上市公司接待人 | | 冯剑松 许从应 王陆平 张建富 周丹 | | 员姓名 | | | | 投资者关系活动 | | 首先公司董事长对公司的发展方向做了介绍： | | 主要内容介 ...

证券代码：300346 证券简称：南大光电 江苏南大光电材料股份有限公司 2022 年 11 月 23 日投资者关系活动记录表 编号：2022-009 | --- | --- | --- | |-----------------------|-------------------------------|-------------------------------------------------------------------| | | | | | 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 | （请文字说明其他活动内容） | | 参与单位名称及 | 通过"中证路演中心（ | https://www.cs.com.cn/roadshow/ ）"参与本 | | 人员姓名 | | 次向不特定对象发行可转换公司债券网上路演的投资者 | | 时间 | 2022 年 11 月 23 日 | 15:00—17:00 | | 地点 中证路演中心（ | | https:/ ...

Group 1: Company Overview and R&D Efforts - The company focuses on high-purity electronic materials and has increased R&D investment to maintain its industry position and competitive advantage [2] - Significant progress has been made in the development of MO source 2.0 and high-purity, low-silicon, low-oxygen trimethylaluminum, laying the foundation for upgrading the MO source business from LED to IC and new energy sectors [2] - The latest ultra-high-purity arsenic and phosphine products have surpassed international peers in quality, marking a leap in hydrogen electronic specialty gases [2] Group 2: Production Capacity and Expansion - The company has established production lines with a capacity of 3,800 tons/year for nitrogen trifluoride and 3,500 tons/year for sulfur hexafluoride [3] - A new production base for nitrogen trifluoride with an initial capacity of 3,600 tons/year is planned in Ulanqab, with further expansions based on market demand [3] - The company is actively preparing for capacity expansion across various business units, with orders for major products being nearly saturated [2] Group 3: Sales Performance and Market Share - For the first three quarters of the year, total sales amounted to 709 million CNY, with electronic specialty gases accounting for approximately 73% of sales [3] - Within the electronic specialty gases segment, fluorinated gases represent about 68%, while hydrogen gases account for 32% [3] Group 4: Product Development and Certification - The company’s ArF photoresist has passed certification from two major clients, with ongoing efforts to certify additional products [4] - The production capacity for ArF photoresist is currently 25 tons, with plans to expand to 50 tons based on customer orders [4] - Quality control for photoresist involves both domestic and imported raw materials, with a focus on local synthesis capabilities [4]

证券代码：300346 证券简称：南大光电 江苏南大光电材料股份有限公司 2022 年 6 月 23 日投资者关系活动记录表 编号：2022-003 | --- | --- | --- | |---------------------------|------------------------------------|------------------------------------------------------------------| | | | | | 投资者关系活 | √特定对象调研 □分析师会议 | | | 动类别 | □媒体采访 | □业绩说明会 | | | □新闻发布会 □路演活动 | | | | □现场参观 | | | | √其他 （电话会议） | | | 参与单位名称 | 中金公司——李学来、江磊 | | | 及人员姓名 | 麦格理投资公司——金诗诗 | | | 时间 2022 | 年 6 月 23 日 | | | 地点 | 江苏南大光电材料股份有限公司会议室 | | | 上市公司接待 人员姓名 | 董事会秘书苏永钦、证券事务代表周丹 | | | | | | | 投资者关系活 ...

证券代码：300346 证券简称：南大光电 江苏南大光电材料股份有限公司 2022 年 9 月 2 日投资者关系活动记录表 编号：2022-004 | --- | --- | --- | --- | --- | --- | --- | --- | |-------------------------|----------------------------------------------------------------|--------------------------------------------|--------------------------------|-------|-------|-------|--------------------| | | | | | | | | | | 投资者关系活 | √特定对象调研 □分析师会议 | | | | | | | | 动类别 | □媒体采访 □业绩说明会 | | | | | | | | | □新闻发布会 □路演活动 | | | | | | | | | □现场参观 | | | | | | | | | □其他 （电话会议） | | | | | ...

证券代码：300346 证券简称：南大光电 编号：2022-005 投 资 者 √特定对象调研 □分析师会议 关 系 活 □媒体采访 □业绩说明会 动类别 □新闻发布会 □路演活动 □现场参观 √其他 （电话会议） 时间 2022 年 9 月 8 日 江苏南大光电材料股份有限公司 2022 年 9 月 8 日投资者关系活动记录表 | --- | --- | --- | --- | --- | |----------|----------------------|--------|-------------------------------------|--------| | | | | 单位名称 人员姓名 单位名称 人员姓名 | | | | 中金公司 | 江磊 | 华富基金 | 邓翔 | | | 紫金矿业集团资本投资 | 李想 | 富国基金 | 沈衡 | | | 从容投资 | 茅珈恺 | 淳厚基金 | 廖辰轩 | | | 彼得明奇资管 | 林蔚先 | 汇添富基金 | 高田昊 | | | 光大证券 | 周家诺 | 华夏未来 | 荣景煜 | | | 申万菱信 | 苗琦 | 中银国际 | 范琦岩 | | | 申万 ...

证券代码：300346 证券简称：南大光电 江苏南大光电材料股份有限公司 2022 年 9 月 21 日投资者关系活动记录表 编号：2022-006 | --- | --- | --- | --- | |-------------------------|--------------------------------------------------|----------------------------------------------|--------------------------------------------------------------| | | | | | | 投资者关系活 动类别 | √特定对象调研 □分析师会议 □媒体采访 | □业绩说明会 | | | | □新闻发布会 □路演活动 | | | | | □现场参观 | | | | | □其他 （电话会议） | | | | | | | | | 参与单位名称 及人员姓名 | 银华基金——胡晓晖 天风证券——潘暕 天风证券——骆奕扬 | | | | | | | | | 时间 2022 | 年 9 月 21 日 | | | | ...

证券代码：300346 证券简称：南大光电 江苏南大光电材料股份有限公司 2022 年 9 月 27 日投资者关系活动记录表 编号：2022-007 | --- | --- | --- | --- | --- | |-----------------|----------------------------------------------------|--------------------|--------------------------------------------------------------|----------------------| | 投资者关系活 | √特定对象调研 □分析师会议 | | | | | 动类别 | □媒体采访 | □业绩说明会 | | | | | □新闻发布会 □路演活动 | | | | | | □现场参观 √其他 （电话会议） | | | | | 参与单位名称 | 平安基金——姬长春 | 黄维 翟森 张淼 | | | | 及人员姓名 | 光大证券——杨绍辉、徐凡 BAMBUBLACK ASSET MANAGEMENT | —— Linda Wang | | ...

证券代码：300346 证券简称：南大光电 编号：2022-008 投资者关系活 √特定对象调研 □分析师会议 动类别 □媒体采访 □业绩说明会 □新闻发布会 □路演活动 □现场参观 √其他 （电话会议） 时间 2022 年 11 月 1 日 地点 江苏南大光电材料股份有限公司会议室 上市公司接待 人员姓名 总裁王陆平、董事会秘书苏永钦、证券事务代表周丹 投资者关系活 一、公司接待人员就与会人员提出的问题逐一解答 动主要内容介 1、问：请介绍一下公司 2022 年前三季度的业绩情况。 绍 答：2022 年前三季度，公司实现营业总收入 125,913.30 万元， 同比增长 77.64%；实现归母净利润 21,119.29 万元，同比增长 70.33%； 实现扣非归母净利润 17,031.93 万元，同比增长 80.56%。 江苏南大光电材料股份有限公司 2022 年 11 月 1 日投资者关系活动记录表 | --- | --- | --- | --- | --- | |--------------|----------|----------------------------|----------|----- ...