Core Viewpoint - The passing of Professor Zhou Bingkun, a pioneer in laser and optoelectronics in China, represents a significant loss for Tsinghua University and the broader field of laser and optoelectronics in the country [5]. Group 1: Contributions to Science and Education - Zhou Bingkun was instrumental in establishing the laser research group at Tsinghua University in 1962, leading to the creation of the laser (optoelectronics) discipline and the development of solid-state lasers and their applications [3]. - He was the first to develop high-efficiency, long-lifetime, narrow-linewidth, and frequency-stable semiconductor laser-pumped solid-state lasers, opening new avenues in solid-state laser technology [3]. - Zhou's research in optoelectronics led to significant advancements, including crystal fiber growth, fiber amplifiers, wavelength division multiplexing, and time division multiplexing in optical communication, earning him multiple national awards [3]. Group 2: Educational Impact - Zhou Bingkun authored the textbook "Principles of Laser" in 1980, which became a classic in the field and has been revised to the seventh edition, nurturing generations of talent in optics and optoelectronics [4]. - His students have become leaders in the field, reflecting his commitment to education and mentorship [4]. - Zhou encouraged young scholars to find their research direction, embrace challenges, and seize opportunities, embodying his own life philosophy [4]. Group 3: Legacy and Recognition - Zhou Bingkun held numerous prestigious positions, including President of the Chinese Optical Society and Vice President of the International Optical Society, contributing to the governance of scientific research in China [2]. - He was elected as an academician of the Chinese Academy of Sciences in 1991 and received various honors for his contributions to science and technology [2][3]. - His life and work exemplified the spirit of Tsinghua University, characterized by self-improvement and moral integrity, earning him deep respect and admiration from colleagues and students [4].

中国共产党党员，中国科学院院士，我国激光及信息光电子学领域奠基人和开拓者之一，杰出的科学 家、教育家，清华大学电子工程系教授周炳琨同志，于2026年2月19日0时54分因病医治无效，在北京逝 世，享年90岁。 周炳琨先生1936年3月2日出生于成都，1956年毕业于清华大学无线电系（现电子工程系）并留校任教至 今，长期从事激光与光电子学的研究与教学工作。1960-1962年在苏联列宁格勒电工学院进修；1983- 1984年在美国斯坦福大学应用物理系进修并任访问教授。曾任中国光学学会理事长、国际光学联合会副 来源：清华大学 周炳琨先生几十年来坚持教书育人，培养了一大批杰出人才。1980年，周炳琨先生主编的《激光原理》 正式出版，这部教材系统梳理了激光技术的基本原理和最新进展，成为国内激光领域的经典教材，荣获 第一届国家优秀教材奖和电子部优秀教材特等奖；至今，这部教材已修订至第7版，滋养了一代又一代 光学与光电子学人才。周炳琨先生的学生遍布海内外，许多人已成为光电子领域的学术带头人和行业英 才。他曾殷切鼓励年轻学子"要找准自己的研究方向，不要怕失败，要抓住机遇，肯钻研、勤思考，一 定会有所成就。"这番话既是对后辈 ...

中新网2月20日电 2月20日，清华大学微信公众号发布讣告，中国共产党党员，中国科学院院士，我国 激光及信息光电子学领域奠基人和开拓者之一，杰出的科学家、教育家，清华大学电子工程系教授周炳 琨，于2026年2月19日0时54分因病医治无效，在北京逝世，享年90岁。 图片来 源：清华大学微信公众号 周炳琨先生1936年3月2日出生于成都，1956年毕业于清华大学无线电系(现电子工程系)并留校任教至 今，长期从事激光与光电子学的研究与教学工作。1960-1962年在苏联列宁格勒电工学院进修；1983- 1984年在美国斯坦福大学应用物理系进修并任访问教授。曾任中国光学学会理事长、国际光学联合会副 主席，国家863计划"光电子器件与集成技术"专家组组长、国家自然科学基金委员会副主任等。1991年 当选中国科学院院士(学部委员)，曾任中国科学院学部主席团成员，中国科学院技术科学部常务委员会 副主任、主任，中国科学院信息技术科学部常务委员会主任。2001年当选第三世界科学院院士。 周炳琨先生毕生致力于我国激光及信息光电子学领域的科学研究和人才培养，兢兢业业，成绩卓著。 1962年带头组建激光研究小组，领导创建了清华大学 ...

Core Viewpoint - The stock of Jiuziyang has experienced significant fluctuations, with a notable increase in price over recent months, indicating strong market interest and potential growth in the company's financial performance [1][2]. Group 1: Stock Performance - As of January 7, Jiuziyang's stock price decreased by 2.01% to 83.69 CNY per share, with a trading volume of 7.91 billion CNY and a turnover rate of 5.17%, resulting in a total market capitalization of 150.64 billion CNY [1]. - Year-to-date, Jiuziyang's stock has risen by 3.71%, with a 17.46% increase over the last five trading days, a 47.45% increase over the last 20 days, and a remarkable 124.07% increase over the last 60 days [1]. Group 2: Financial Performance - For the period from January to September 2025, Jiuziyang reported a revenue of 357 million CNY, reflecting a year-on-year growth of 29.12%, while the net profit attributable to shareholders was 21.75 million CNY, up by 7.93% [2]. - Since its A-share listing, Jiuziyang has distributed a total of 217 million CNY in dividends, with 98.28 million CNY distributed over the past three years [3]. Group 3: Shareholder Information - As of December 31, the number of shareholders for Jiuziyang was 33,400, a decrease of 14.81% from the previous period, with an average of 5,388 circulating shares per shareholder, which is an increase of 17.39% [2]. - By September 30, 2025, Hong Kong Central Clearing Limited was the third-largest circulating shareholder, holding 1.1399 million shares, an increase of 586,900 shares from the previous period [3]. Group 4: Business Overview - Jiuziyang, established on April 27, 2001, and listed on June 2, 2016, is based in Wuhan, Hubei Province, specializing in the research, production, and sales of infrared thermal imaging cameras, laser rangefinders, and other related products [1]. - The company's main revenue sources include infrared thermal imaging cameras (55.88%), optical systems (28.62%), laser measurement and lighting products (14.81%), and other supplementary products (0.69%) [1].

Group 1 - The core viewpoint of the news is that Jiuziyang's stock has shown significant growth this year, with a year-to-date increase of 103.19% and a recent rise of 2.40% over the last five trading days [1] - As of December 25, Jiuziyang's stock price was 68.60 yuan per share, with a total market capitalization of 12.348 billion yuan [1] - The company has experienced a net outflow of 18.61 million yuan in principal funds, with large orders accounting for 22.53% of total buying and 22.81% of total selling [1] Group 2 - Jiuziyang's main business includes the research, production, and sales of infrared thermal imaging cameras, laser rangefinders, and other products, with revenue composition being 55.88% from infrared thermal imaging cameras, 28.62% from optical systems, and 14.81% from laser measurement and lighting products [1] - The company is classified under the electronic industry, specifically in the other electronics sector, and is involved in various concept sectors including military electronics and commercial aerospace [2] - For the period from January to September 2025, Jiuziyang achieved an operating income of 357 million yuan, representing a year-on-year growth of 29.12%, and a net profit attributable to shareholders of 21.746 million yuan, up 7.93% year-on-year [2] Group 3 - Since its A-share listing, Jiuziyang has distributed a total of 217 million yuan in dividends, with 98.28 million yuan distributed over the past three years [3] - As of September 30, 2025, Hong Kong Central Clearing Limited is the third-largest circulating shareholder of Jiuziyang, holding 1.1399 million shares, an increase of 586,900 shares compared to the previous period [3]

Core Viewpoint - The stock of Jiuzhiyang has shown significant volatility, with a year-to-date increase of 53.52%, but a recent decline of 11.13% over the last five trading days, indicating potential market fluctuations and investor sentiment changes [1] Company Overview - Jiuzhiyang, established on April 27, 2001, and listed on June 2, 2016, is based in Wuhan, Hubei Province, specializing in the research, production, and sales of infrared thermal imaging cameras and laser rangefinders [1] - The company's main revenue sources are infrared thermal imaging cameras (55.88%), optical systems (28.62%), laser measurement and lighting products (14.81%), and other products (0.69%) [1] Financial Performance - For the period from January to September 2025, Jiuzhiyang reported a revenue of 357 million yuan, reflecting a year-on-year growth of 29.12%, and a net profit attributable to shareholders of 21.75 million yuan, up 7.93% year-on-year [2] - Cumulatively, since its A-share listing, Jiuzhiyang has distributed a total of 217 million yuan in dividends, with 98.28 million yuan distributed over the past three years [3] Shareholder Information - As of November 20, 2025, Jiuzhiyang had 18,400 shareholders, an increase of 20.92% from the previous period, with an average of 9,764 circulating shares per shareholder, down 17.30% [2] - The third-largest circulating shareholder is Hong Kong Central Clearing Limited, holding 1.1399 million shares, an increase of 586,900 shares from the previous period [3] Market Activity - On December 1, Jiuzhiyang's stock price rose by 2.03% to 51.83 yuan per share, with a trading volume of 320 million yuan and a turnover rate of 3.49%, resulting in a total market capitalization of 9.329 billion yuan [1] - The stock has appeared on the "Dragon and Tiger List" twice this year, with the most recent instance on November 24, where it recorded a net buy of -62.1889 million yuan [1]

Core Viewpoint - The stock of Jiuziyang has experienced a decline of 2.01% on November 18, with a current price of 38.92 CNY per share, reflecting a market capitalization of 7.006 billion CNY. The company has shown a year-to-date stock price increase of 15.28% but has faced slight declines in the recent trading periods [1]. Financial Performance - For the period from January to September 2025, Jiuziyang reported a revenue of 357 million CNY, representing a year-on-year growth of 29.12%. The net profit attributable to shareholders was 21.746 million CNY, which is a 7.93% increase compared to the previous year [2]. Shareholder Information - As of November 13, 2025, the number of shareholders for Jiuziyang is 15,200, which is a decrease of 11.91% from the previous period. The average number of circulating shares per person has increased by 13.52% to 11,806 shares [2]. Dividend Distribution - Since its A-share listing, Jiuziyang has distributed a total of 217 million CNY in dividends, with 98.28 million CNY distributed over the last three years [3]. Ownership Structure - As of September 30, 2025, Hong Kong Central Clearing Limited is the third-largest circulating shareholder of Jiuziyang, holding 1.1399 million shares, which is an increase of 586,900 shares from the previous period [3].

Core Insights - Guangdong manufacturing is gaining global attention with innovative products showcased at the 138th Canton Fair, highlighting the region's proactive transformation amidst technological and industrial changes [1][2] - The traditional manufacturing sector in Guangdong is leveraging tax policies to support its transition and upgrade, focusing on high-quality development [1][4] Group 1: Company Innovations and Market Expansion - Deepway Technology has expanded its product range from handheld laser rangefinders to six product lines, achieving a 30% export ratio since entering overseas markets in 2013 [2][3] - Wola Technology is shifting from primarily export-focused to a dual domestic and international sales strategy, with a current sales structure of 60% export and 40% domestic [3] - United Optics has developed a groundbreaking black light full-color technology for low-light environments, breaking the monopoly of Japanese and German companies in high-end optical lenses [7][8] Group 2: Tax Policies and Financial Support - Export tax rebate policies have significantly aided companies like Deepway and Wola Technology, enhancing their cash flow and supporting raw material procurement [4][5] - Guangdong tax authorities have streamlined export tax rebate processes, reducing average processing time to three working days for eligible companies [5] - Companies such as Jiangbolong Electronics have benefited from tax incentives, allowing for substantial R&D investments and product development [6] Group 3: R&D and Compliance - United Optics has invested over 8% of its revenue in R&D over the past five years, supported by tax deductions amounting to approximately 2.26 million yuan [8][16] - Aima CNC has transitioned from a shoe factory to a key player in CNC technology, applying for 151 patents and benefiting from tax incentives totaling 2.6 million yuan [9][10] - Compliance with tax regulations is emphasized as a critical factor for sustainable growth, with companies like Deepway and Aima CNC actively engaging with tax authorities for guidance [13][16]

Group 1 - The core viewpoint of the news is that Jiuziyang's stock has experienced fluctuations, with a current price of 40.40 CNY per share and a market capitalization of 7.272 billion CNY, reflecting a year-to-date increase of 19.66% [1] - As of October 20, 2025, Jiuziyang reported a revenue of 357 million CNY for the first nine months, representing a year-on-year growth of 29.12%, and a net profit of 21.746 million CNY, up 7.93% [2] - The company has distributed a total of 217 million CNY in dividends since its A-share listing, with 98.28 million CNY distributed over the past three years [3] Group 2 - Jiuziyang's main business includes the research, production, and sales of infrared thermal imaging cameras, laser rangefinders, and other related products, with revenue contributions of 55.88% from infrared thermal imaging cameras, 28.62% from optical systems, and 14.81% from laser measurement and lighting products [1] - The company is categorized under the electronic industry, specifically in the sub-sectors of other electronics, and is involved in various concept sectors including small-cap stocks, central enterprise reform, marine engineering equipment, short message concepts, and aerospace military industry [1] - As of September 30, 2025, the number of shareholders for Jiuziyang was 16,600, a slight decrease of 0.14%, while the average number of circulating shares per person increased by 0.14% to 10,819 shares [2]

Core Viewpoint - The stock price of Jiuziyang has shown a positive trend, with a year-to-date increase of 17.56% and a recent uptick in trading activity, indicating investor interest and potential growth in the company's market performance [2][1]. Company Overview - Jiuziyang, established on April 27, 2001, and listed on June 2, 2016, is located in Wuhan, Hubei Province. The company specializes in the research, production, and sales of infrared thermal imaging cameras and laser rangefinders [2]. - The main revenue sources for Jiuziyang are infrared thermal imaging cameras (55.88%), optical systems (28.62%), laser measurement and lighting products (14.81%), and other supplementary products (0.69%) [2]. Financial Performance - For the first half of 2025, Jiuziyang reported a revenue of 198 million yuan, reflecting a year-on-year growth of 7.58%. However, the net profit attributable to shareholders decreased by 43.74% to 9.43 million yuan [2]. - Since its A-share listing, Jiuziyang has distributed a total of 217 million yuan in dividends, with 98.28 million yuan distributed over the past three years [3]. Shareholder Information - As of June 30, 2025, Jiuziyang had 16,600 shareholders, a slight decrease of 0.14% from the previous period. The average number of circulating shares per shareholder increased by 0.14% to 10,819 shares [2]. - The sixth largest circulating shareholder, Hong Kong Central Clearing Limited, reduced its holdings by 48.77 million shares [3].