Group 1 - Crystal Optoelectronics is a core component enterprise in the optical optoelectronics field, focusing on optical components, thin-film optical panels, semiconductor optics, automotive electronics (AR+), and reflective materials [1] - The company provides infrared cutoff filters and micro-prisms to leading brands in the consumer electronics sector, leading in the share of periscope lens matching [1] - The automotive optical layout includes AR-HUD and laser radar window pieces, benefiting from the increasing penetration rate of smart cockpits [1] Group 2 - O-Film has over 20 years of experience in the optical optoelectronics field, establishing a business system in smartphones, smart cars, and new fields, and is a core supplier of optical modules and imaging systems [2] - The company focuses on high-pixel camera modules, optical lenses, under-display fingerprint sensors, and 3D ToF products, successfully entering the supply chain of domestic flagship models [2] - The smart automotive business is rapidly growing, with multiple car manufacturers designating the company for vehicle-mounted cameras and laser radar optical solutions [2] Group 3 - Singsun has formed a dual main business structure of lithium battery anode materials and display polarizers, with its subsidiary being a global leader in polarizers [3] - The company has the largest market share in large-size LCD polarizers globally, with rapid breakthroughs in high-value-added products for automotive and OLED applications [3] - The dual business model supports strong performance resilience, benefiting from the high-endization of display panels and the growth of new energy materials [3] Group 4 - Fuzhijian Technology is a global leader in optical crystals and precision optical components, with products widely used in lasers, optical communications, semiconductors, AR/VR, and scientific instruments [4] - The company leads in the global market share of nonlinear optical crystals and has a strong gross margin level [4] - Fuzhijian focuses on high-end optical materials and devices, driven by research and development, with long-term support for performance and valuation [4] Group 5 - Rainbow Holdings is one of the few companies in China to achieve an integrated layout of "liquid crystal panels + substrate glass," focusing on G8.5+ high-generation substrate glass and large-size TFT-LCD panels [5] - The company has broken through overseas technical barriers and achieved self-control of the overflow method process, supplying products in bulk to leading panel manufacturers [5] - Rainbow's business structure optimization and high-value product ratio increase are supported by national new display strategy projects [5] Group 6 - Helitai focuses on display modules and electronic paper, being an important supplier of display devices in the optical optoelectronics field [6] - The company has a leading global market share in electronic paper, covering electronic price tags, readers, and smart retail [6] - Helitai's car display business has broken into the supply chain of leading car manufacturers, with rapid order growth [6] Group 7 - Kangguan Technology is a leader in smart display terminals, with a global leading shipment volume of smart interactive panels covering education and office scenarios [7] - The company has a strong presence in professional displays, including e-sports monitors and medical displays, with a leading domestic market share [7] - Kangguan's product structure is shifting towards high-margin and intelligent upgrades, benefiting from nearly 30 years of manufacturing experience [7] Group 8 - Opple Lighting is a domestic leader in LED lighting and smart optics, with a high revenue share from LED light sources and fixtures [8] - The company is advancing smart lighting upgrades and has a strong presence in commercial lighting solutions [8] - Opple's product structure is optimizing, with a steady gross margin and a strong brand presence in the market [8] Group 9 - Yongxin Optical is a leader in high-end optical instruments and precision optical components, covering multiple scenarios including research, industry, automotive, and medical [9] - The company has a strong market position in high-end microscopes and laser radar optical components, benefiting from the popularity of autonomous driving [9] - Yongxin's products are characterized by high-endization and accelerated import substitution, supported by nearly 80 years of optical expertise [9] Group 10 - Dongtian Micro focuses on precision optical thin-film components, covering imaging optics and communication optics, serving as a core component supplier in the optical optoelectronics upstream [10] - The company has a strong presence in the mobile phone camera market and is expanding into automotive optical layouts [10] - Dongtian's optical communication business is growing rapidly, becoming a major contributor to its performance [10]

Core Viewpoint - The company, Wavelength Optoelectronics, announced that it expects its operating performance for the fiscal year 2025 will not meet the disclosure requirements for performance forecasts as per the Shenzhen Stock Exchange's Growth Enterprise Market listing rules, leading to the decision not to disclose the performance forecast for 2025 in January 2026 [1] Summary by Category - **Company Performance** - Wavelength Optoelectronics anticipates that its 2025 operating results will not fulfill the performance forecast disclosure requirements [1] - As a result, the company will not release a performance forecast for 2025 in January 2026 [1]

Group 1 - Wavelength Optoelectronics experienced a decline of 5.07% on January 26, with a stock price of 105.02 CNY per share, a trading volume of 432 million CNY, a turnover rate of 8.71%, and a total market capitalization of 12.153 billion CNY [1] - The company, established on December 24, 2008, and listed on August 23, 2023, is a major supplier of precision optical components and systems, focusing on industrial laser processing and infrared thermal imaging [1] - The revenue composition of Wavelength Optoelectronics includes optical components at 46.03%, optical elements at 40.16%, and optical system solutions and detection design tools at 13.81% [1] Group 2 - Among the top ten circulating shareholders of Wavelength Optoelectronics, a fund under Debon Fund holds a position, having reduced its holdings by 200,000 shares to 1 million shares, representing 2.16% of the circulating shares [2] - The Debon Semiconductor Industry Mixed Fund A (014319) was established on December 28, 2021, with a latest scale of 843 million CNY, achieving a year-to-date return of 16.62% and a one-year return of 95.14% [2] - The fund manager, Lei Tao, has a tenure of 4 years and 31 days, with the fund's total assets amounting to 16.149 billion CNY, and the best and worst returns during his tenure being 288.21% and -13.63%, respectively [2]

Market Overview - As of January 21, the Shanghai Composite Index closed at 4116.94 points, up by 3.29 points, with a growth rate of 0.08% [1] - The Shenzhen Component Index closed at 14255.13 points, increasing by 99.50 points, representing a growth rate of 0.70% [1] - The ChiNext Index closed at 3295.52 points, rising by 17.54 points, with a growth rate of 0.54% [1] High Turnover Stocks - A total of 80 A-shares had a turnover rate exceeding 20% on this day, with Aisheren reaching a turnover rate of over 50% [1] - The stock Aisheren had a closing price of 44.04 yuan, with a turnover rate of 78.23% and a significant increase of 175.59% [1] - Other notable stocks with high turnover rates include: - Nabai Chuan: Closing price 86.26 yuan, turnover rate 44.53%, increase of 9.87% [1] - Guangdian Electric: Closing price 6.09 yuan, turnover rate 44.40%, increase of 9.93% [1] - Jintaiyang: Closing price 39.13 yuan, turnover rate 44.16%, increase of 19.96% [1] Additional High Turnover Stocks - Other stocks with notable turnover rates include: - Blue Arrow Electronics: Closing price 36.75 yuan, turnover rate 43.18%, increase of 2.45% [1] - Sanbian Technology: Closing price 21.06 yuan, turnover rate 41.55%, decrease of 8.03% [1] - Hongbaoli: Closing price 9.59 yuan, turnover rate 39.79%, increase of 9.98% [1] - The stock with the highest turnover rate in the second list is Tai Li Technology, with a turnover rate of 28.52% and an increase of 6.32% [2] Summary of Notable Stocks - The stock with the highest turnover in the third list is Tian Di Online, with a turnover rate of 22.08% and an increase of 10.01% [3] - Other significant stocks include: - New Henghui: Closing price 85.76 yuan, turnover rate 22.04%, increase of 2.22% [3] - Jiangtian Chemical: Closing price 31.56 yuan, turnover rate 22.01%, increase of 4.12% [3]

Market Performance - The optical and optoelectronic sector increased by 1.22% on January 21, with Sanli Pu leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] Stock Performance - Notable gainers in the optical and optoelectronic sector included: - Sanli Pu (002876) with a closing price of 27.69, up 10.01% on a trading volume of 55,600 shares and a transaction value of 154 million [1] - Deep Textile A (000045) closed at 13.64, up 10.00% with a trading volume of 286,600 shares and a transaction value of 383 million [1] - Woge Optoelectronics (603773) closed at 39.16, up 10.00% with a transaction value of 716 million [1] - Chenglai Optics (688502) closed at 435.80, up 8.69% with a transaction value of 1.094 billion [1] - Wavelength Optoelectronics (301421) closed at 114.10, up 8.10% with a transaction value of 1.430 billion [1] Fund Flow - The optical and optoelectronic sector saw a net inflow of 981 million from institutional investors, while retail investors experienced a net outflow of 236 million [2] - Major stocks with significant fund flows included: - Sanan Optoelectronics (600703) with a net inflow of 3.12 billion from institutional investors [3] - TCL Technology (000100) with a net inflow of 2.11 billion from institutional investors [3] - Deep Textile A (000045) with a net inflow of 1.13 billion from institutional investors [3]

Core Viewpoint - The semiconductor lithography equipment sector has experienced a short-term surge, with notable stock price increases among key players in the industry [1] Group 1: Company Performance - Maolai Optical has seen its stock price rise by nearly 10% [1] - Wavelength Optoelectronics has experienced an increase of over 8% in its stock price [1] - Other companies such as Xinlai Materials, Zhangjiang Hi-Tech, and Lanying Equipment have also shown significant stock price increases [1]

Group 1 - The company has implemented a "domestic + overseas" dual-drive strategy, establishing subsidiaries, joint ventures, or marketing outlets in countries such as Singapore and South Korea [2] - The company's overseas business is expected to generate revenue of 127.50 million yuan in 2024, representing a year-on-year growth of 35% [2] - In the first three quarters of 2025, the overseas business revenue is approximately 81 million yuan, showing a year-on-year decline due to the impact of the international trade environment [2]

Core Viewpoint - The Munich Shanghai Optical Expo, a significant event in the Asian laser, optics, and optoelectronics industry, will take place from March 18-20, 2026, at the Shanghai New International Expo Center, showcasing cutting-edge technologies and renowned companies in various core fields [2]. Group 1: Event Details - The expo will cover key areas such as optical manufacturing, laser technology, infrared applications, detection and quality control, integrated optoelectronics and optical communication, and biomedical photonics [2]. - The exhibitor list has been officially released, and attendees are encouraged to save it for reference [2]. Group 2: Exhibitor Information - The exhibitor list includes notable companies such as Canon Optical Industrial Equipment, Han's Laser Technology Industry Group, and various other firms specializing in laser technology and optoelectronics [11][15][21]. - The event will feature a diverse range of exhibitors from different regions, including companies from Shanghai, Beijing, and other provinces, highlighting the industry's broad participation [11][15][21].

Core Viewpoint - Wavelength Optoelectronics (301421) announced the appointment of a new signing registered accountant for its 2025 financial audit due to internal adjustments at Tianzhi International Accounting Firm [1] Group 1 - Tianzhi International Accounting Firm will serve as the auditing institution for Wavelength Optoelectronics' 2025 financial accounting report and internal control audit [1] - Wang Xinghua, Shao Li, and Zhou Weiying were originally appointed as the signing project partner, signing registered accountant, and project quality control reviewer, respectively [1] - Shao Li will be replaced by Li Qi as the signing registered accountant, while the signing project partner and project quality control reviewer remain unchanged [1]

证券代码：301421 证券简称：波长光电 公告编号：2026-001 南京波长光电科技股份有限公司 关于变更签字注册会计师的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 南京波长光电科技股份有限公司（以下简称"公司"）于 2025 年 4 月 23 日召开第四届董事会第十七次会议和第四届监事会第十六次会议，并于 2025 年 5 月 16 日召开公司 2024 年度股东大会，审议通过了《关于续聘公司 2025 年度 审计机构的议案》，同意续聘天职国际会计师事务所（特殊普通合伙）（以下简 称"天职国际"）为公司 2025 年度财务会计报告及内部控制审计机构，具体内 容详见公司于 2025 年 4 月 25 日在巨潮资讯网（www.cninfo.com.cn）披露的《关 于续聘公司 2025 年度审计机构的公告》（公告编号：2025-020）。 近日，公司收到天职国际出具的《关于变更签字注册会计师的告知函》，现 将具体情况公告如下： 一、本次变更签字注册会计师的基本情况 天职国际作为公司 2025 年度财务会计报告及内部控制审计机构，原委派王 兴华、邵丽 ...