What are the leading concepts of radiation protection for A-shares?

[1], Xinmao Technology (000836): formerly known as Tianda Tiancai, Tiandi Weiye, a company holding 72% of the company, is a well-known domestic security manufacturer. Its main products are smart matrices and DVRs, which the company independently developed The embedded hard disk video recorder product based on the H.264 algorithm has been selected into the national key new product plan; it has passed the ISO9001-2000 quality management system international standard certification; from 2006 to 2008, the company won the top ten security brands in China selected by "A&S" magazine; From 2004 to 2008, the company was awarded the top ten national brands in China's security industry by HC International for five consecutive years; in 2006, the company was awarded the famous security brand in China by "China Public Security".

[2], Jingcai New World (000997): The company has become one of the few companies in the country that can simultaneously provide the highway industry with fully functional toll business support systems, monitoring and communication systems, and office automation systems (OA ), unified data center and comprehensive application platform (DCAP), integrated business and service management system system contractor and solution provider, the core business is gradually moving from the province to other provinces. Further strengthen the research and development of new application software products in the highway and even ITS fields and master key application technologies (such as: RFID, ETC, vehicle route electronic identification, GPS vehicle positioning technology, mobile wallet applications, etc.).

[3], Tongzhou Electronics (002052): The company’s security products are mainly bus electronic monitoring systems, but they currently only account for a small proportion of revenue. Its holding subsidiary Shenzhen Ankeng Construction Intelligent Engineering Co., Ltd. has a registered capital of 10 million yuan, and the company holds 90% of its investment, which is 9 million yuan. Mainly engaged in the design and system integration of television monitoring systems, mobile monitoring systems, anti-theft alarm systems, and building intelligence; the design and system integration of computer network communication systems, public broadcasting systems, and building intelligent control systems.

[4], Xinhaiyi (002089): The company mainly operates communication network equipment and supporting software, related electronic products, installation cables, electrical machinery and equipment, alarm system entrance and exit control equipment, and alarm system video surveillance Equipment and other security technology prevention products. The company seizes the opportunity of a new round of development in the communications industry, bases itself on existing fields, makes full use of the company's existing product patent technology and R&D technology, increases the technological transformation and product upgrading of existing products, and accelerates the development of new products. and production; firmly grasp the two main lines of communication network wiring management, monitoring system and software outsourcing business, video monitoring base simple control image processing, and Internet software development.

[5], Yuanwang Valley (002161): It is a leading enterprise in the domestic (RFID) industry. The company's security products are intelligent parking lot management systems and other (RFID) related application projects, with a gross profit of up to 60. In 2007, funds raised were invested in three projects: the design and industrialization of radio frequency identification (RFID) electronic tags, the design and industrialization of radio frequency identification (RFID) readers, and the industrialization and application expansion of railway train number identification RFID products.

[6], Dali Technology (002214): This is the first authentic security stock listed on the A-share market. The company is mainly engaged in the production of two series of products: infrared thermal imaging cameras and digital hard disk video recorders (DVR). R&D, production and sales. Dali Technology's competitive advantage in the DVR field is not obvious. Its gross profit is only half of that of Dahua and Hikvision, which is not at the same level. The company's main attraction is the infrared thermal imaging camera, with gross profit as high as 45%. The market prospects are promising, and orders in the fields of electric power, military industry, foreign trade and other fields can achieve steady growth. The raised funds will be invested in the "Infrared Thermal Imager Industrialization Upgrade Project", "Uncooled Infrared Focal Plane Array Detector Localization Project" and "Intelligent Embedded Digital Hard Disk Recorder Industrialization Project". The company plans to complete the localization of focal plane detectors in 2010. If the detector project can complete the mass production process as scheduled, the company's profitability and core competitiveness will be significantly improved.

Note: DVR is Digital Video Recorder (also called: Personal video recorder, PVR) - digital video recorder or digital hard disk video recorder, which we are accustomed to call hard disk video recorder. It is a computer system for image storage and processing. It has the functions of long-term video recording, recording, remote monitoring and control of images/voices. DVR integrates video recorders, screen splitters, PTZ lens control, alarm control, and network transmission. With these five functions integrated into one, one device can replace the functions of a large number of devices in the analog monitoring system, and it also gradually gains an advantage in terms of price.

[7], iFlytek (002230): It is the largest voice intelligence technology provider in China. Because its products are used in alarm systems, it has also been classified as a security-related enterprise by major security websites. The company's voice software gross profit is as high as 92%, and the market prospects are widely optimistic. The company's core technology and industrial advantages continue to strengthen: the company won the 2008 International English Speech Synthesis Competition (Blizzard Challenge 2008) for the third time, indicating that the company has achieved a solid international leading position in English speech synthesis technology; in addition, the company won the 2008 Blizzard Challenge for the third time. Participated in the International Speaker Recognition Competition ("2008 NIST Speaker Recognition Evaluation") organized by the National Institute of Standards and Technology (NIST) and won the first place in the comprehensive indicators, indicating that the company has achieved progress from speech synthesis to speech recognition Comprehensive international leadership in technology.

[8], Dahua Shares (002236): This is the authentic security stock with the highest issue price. Its main products include embedded digital hard disk video recorders, digital program-controlled dispatchers, digital remote image monitoring systems, etc. Its presence can be seen in major projects such as the remote monitoring project of the Three Gorges Gezhouba Power Plant, the world's largest hydropower project, and the Yichang Longquan Converter Station Project, the largest DC 500KV converter station in the country. Dahua Co., Ltd. is implementing the "big security" strategy. On the one hand, it is consolidating its dominant position in DVR and system integration in the field of video surveillance, and at the same time, it is also increasing investment in intelligent transportation. Due to the recent large-scale investment in the transportation field by the country, in order to share the big pie of intelligent transportation, Dahua not only uses its own technical advantages to complete fund-raising projects, but also uses its capital advantages to acquire some related companies with core competitiveness. Due to the high gross profit of intelligent transportation products, it is expected that their contribution to profits will be more prominent in the next two years.

[9], Sichuan University Zhisheng (002253): Sichuan University Zhisheng's main business is air traffic management automation system. It currently ranks first in the market share and has a gross profit of 52. The company's other main business, ground intelligent traffic management systems, is also experiencing steady growth. According to the plan to use the raised funds, the company has launched two batches of *** 40 sub-projects, covering three fields: "air traffic control automation system and related technologies", "tower visual simulator and related technologies", and "license plate recognition related technologies" , some sub-projects have passed the appraisal of scientific and technological achievements, among which the "embedded license plate reader" and "digital camera for engineering use" have entered the trial stage.

[10], Weisitong (002268): It is the largest supplier of cryptographic products in China and the largest information security manufacturer in the user market of specific sensitive industries. Information security equipment products account for a large proportion of the main business, with gross profit as high as 75 . The company can provide a full range of cryptographic products, security products and security systems, including core encryption modules and security platforms, cryptographic products and complete security equipment, as well as security systems with a variety of security protection functions. At the same time, the company has the ability to provide overall information security solutions, provide security integration and engineering implementation services, and can provide users with a package of security solutions.

[11], Tongfang Co., Ltd. (600100): The company’s security products are mainly container/vehicle detection systems of Tongfang Nuctech, a subsidiary of 76 Holdings. Nuctech Co., Ltd. is based on independent innovation, integrated innovation and introduction Digest, absorb and innovate again, and have independent intellectual property rights of all core technologies.

With radiation imaging application technology as its core, Nuctech has developed container/vehicle inspection systems using linear accelerators, aviation container/vehicle safety inspection systems, mail electron beam sterilization safety systems, radioactive material detection systems, and X-ray Inspection systems, industrial non-destructive testing systems, etc., serve the fields of customs ports, aviation security inspection, industrial manufacturing, medical and health, environmental protection, food processing and other industries.

[12], Xiangyou Technology (600476): In 2008, the company's GPS business steadily advanced to various regions and industries, and successfully entered the tobacco industry, mobile, public security, public transportation and other industries in Hunan Province. Successfully won the bid for the Changsha Municipal Public Security Bureau GPS/GIS Vehicle Monitoring Center, Beijing Post Bureau Olympic Vehicle GPS Monitoring and Management System and other projects. It has been designated by the Hunan Provincial Public Security Department as the GPS equipment procurement and engineering operator for hazardous and explosive goods transport vehicles in the province, and has started the GPS installation work on explosion-proof vehicles in the province. In the first half of the year, the Operations Division focused on postal security, postal GPS, Hunan Tobacco, Changsha Public Security Bureau’s GPS\\GIS, Hunan Post Time GPS and other markets. The treasury fingerprint networking transformation has been implemented in 5 district and county bureaus in Leshan City, Sichuan Post We conducted pilot projects and successfully won the bid for Changde and Chenzhou tobacco GPS\\GIS monitoring system construction projects. At the same time, through the successful implementation of the GPS project, we promoted the smooth promotion of wireless application projects in the tobacco industry.

[13], Dr. Peng (600804): The company’s security business is mainly the construction of urban security networks. The company’s security monitoring business is mainly operated by its wholly-owned subsidiary Beijing Dr. Peng Security Information Technology Co., Ltd. The company carries out investment, construction and operation services around safe city construction projects across the country and business expansion on this basis; builds, sells and provides operational services around a product system with independently developed products and exclusive agent products as the core; uses The concept of comprehensive security expands security business channels. And a large number of business activities have been carried out in accordance with this main direction. The company has followed up and negotiated a large number of projects across the country, and has signed and completed the Dongcheng District Image Surveillance System Phase III Project, Tongzhou District Image Surveillance System Phase III Project, Civil Air Traffic Control Cluster and other projects.

In addition, there are Aerospace Changfeng (600855) infrared imagers, BOCO Communications (600289) intelligent transportation products, TCL Group (000100) monitors, etc.

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