slotscasinojackpotmania|低空经济翻倍牛股赫然在列！4月接待机构调研次数居前热门股名单一览

Financial Associated Press, May 4 (editor Xuan Lin) according to Choice statistics, as of April 30, Shanghai, Shenzhen and Beijing closed in April (4.SlotscasinojackpotmaniaA total of 1040 listed companies were investigated by institutions. Specifically, the listed companies with the largest number of investigations by reception institutions were Shunluo Electronics for 9 times, Huaming equipment, Daotong Technology, Shennan Circuit and Changhong Meiling tied for 8 times. Central Control Technology, Chihong Zinc Germanium, Taijia shares, Radio and Television Express, New scenery tied for the sixth for 7 times, as detailed in the figure below.Slotscasinojackpotmania:

According to the statistics of the number of visits by institutions, Lanqi Technology, Huaming equipment, Tianfu Communications, Peraia, Central Control Technology, Huashan testing, Hongfa shares, Mindray Medical, Haikang Visa and Emick ranked in the top 10. The number of visitors from the top three Lan Qi Technology, Huaming equipment and Tianfu Communication institutions reached 637, 552 and 473 respectively, as detailed in the following figure:

According to the weekly graphic bull and bear stock data compiled by the Financial Association during 4.13-4.27, it was found that among the many cattle stocks that month, Xinan Century, Li Yuanheng, Sujiaoko, Hengtuo Open Source, Tianhe Defense ranked in the top five, reaching 90, 38, 24, 18 and 5 respectively, while Baolidi and Feinan Resources tied for the sixth place.

According to public data, Principal Century is a leading provider of information security products and solutions in China, which is based on cryptographic technology and is committed to solving information security issues such as identity security, communication security and data security in the network environment. Principal Century issued an institutional research notice on April 30 that aimed at low-altitude security risks and data encryption requirements, launched a "low-altitude shared UAV data lifecycle encryption scheme". By integrating security password modules, deploying password gateway products, using password resource services, and based on commercial password technology, the scheme comprehensively solves the security problems of UAV important data in the whole life cycle flow process. Selected as the "typical case in the industrial field" of the Ministry of Industry and Information Technology. In addition, Principal Century, as a leader in the field of commercial cryptography, has been actively promoting post-quantum cryptographic algorithm research and industry integration for many years. The company has integrated a variety of post-quantum algorithms into related products, carried out the research of post-quantum cryptography experiment with a number of institutions, and comprehensively designed the migration planning and landing practice of post-quantum cryptography.

Li Yuanheng is mainly engaged in the R & D, production and sales of intelligent manufacturing equipment. On February 10, 2023, Li Yuanheng said in Interactive easy that it has established a stable cooperative relationship with Guoxuan Hi-Tech and Suzhou Qingtao Energy. Has provided stand-alone / full-line equipment in the field of solid-state batteries to relevant customers. In the institutional research announcement issued on April 29, Li Yuanheng said that the company's solid-state battery business began to be laid out as early as 2020, and then provided Qingtao Energy with equipment such as formation and separation, laser welding, laser module separation machine, cell assembly line and so on. the delivery of the main equipment has been completed and some of the acceptance has been completed. In addition, Li Yuanheng is also in the process of exchanging technical solutions with mainstream solid-state battery manufacturers at home and abroad, and is progressing smoothly. Thanks to the platform technology layout, Li Yuanheng has made more in-depth research and accumulation in the core process of solid-state battery, such as the key point of improving quality and reducing cost in battery production in the future-dry electrode technology and solid-state battery core technology-lamination. Li Yuanheng has the corresponding patent layout, and has produced related equipment.

The share price of Sujiaoko, a member of the low-level Economic Innovation and Development Alliance, has risen 91% since April 1. Sujiaoko said in an institutional research announcement issued on April 24 that Sujiaoko's intensive layout of low-altitude application flight services, UAV equipment testing and appraisal, low-altitude flight training, low-altitude economic industrial development research, low-altitude flight infrastructure and regulatory system construction, and various application scenarios planning and development in Beijing-Tianjin-Hebei, Yangtze River Delta, Guangdong, Hong Kong and Macao. Aiming at the government main body, the investment platform main body and the market application main body, develops the low-altitude flight service new scene, constructs the low-altitude transportation new system, incubates the low-altitude economic industry new business type, based on the low-altitude industrial economic development and the transportation system construction, strives to build into a high-end think tank science and technology enterprise for the development of low-altitude economy. In 2023, the company has undertaken low-altitude economic projects such as Suzhou General Airport Development Strategy Research Project, Mudanjiang Wave Airport Reconstruction and expansion Project, clearance obstacle Measurement Project in the feasibility study phase, and has generated related income. In April this year, the company signed a low-altitude economic joint venture with Shenzhen United aircraft Group, and the two sides set up a new low-altitude economic joint venture. The joint venture company will focus on the construction of the two major systems of low-altitude economic industrial development and low-altitude transportation, aiming at the government, platform companies, applications and other customer groups, provide technical services including consultation on the whole process of policy and industrial development in the field of low-altitude economy, one-stop solution for low-altitude flight operation services, and integrated solution for construction, management and transportation of low-altitude infrastructure and flight management platform.

Shares of Hengtuo open source, a civil aviation software supplier, have risen 60 per cent since April 1. Hengtuo Open Source said in an institutional research announcement released on April 2 that in terms of new infrastructure in the low-altitude economy, including facilities network, air network, air network and service network, existing industry practitioners have their own advantages, have entry points or angles to participate, and complement each other's advantages. for all parties, it is not a stock market volume, but an incremental market, with sufficient business opportunities and market space. In addition, in the record sheet of investor relations activities on March 29, Hengtuo Open Source said that the low-altitude integration solutions built with partners (including route planning, air surveillance, operation control, flight safety, marketing, ground support and other digital systems) have been in a well-known low-altitude economy pilot enterprise (the pilot unit of low-altitude reform recognized by the Civil Aviation Administration of China and the Shenzhen Municipal Government. Build low-altitude infrastructure and operate the fleet) to support its low-altitude emergency rescue, low-altitude sightseeing tourism and other businesses, the company provides software to achieve an income of about 4 million yuan. This kind of comprehensive solution can be promoted directly, and it is also the basis for the company to create a low-altitude integration (aircraft, UAV) service platform of "Skynet, Earth Grid, Internet" + "five major functions".

　　低空经济概念股天和防务4月1日迄今股价累计最大涨幅为87%。公司以军用、民用需求为牵引，布局有低空方向相关业务，在军工装备业务方向，布局有低空近防、智能立体边海防、要地防空、战场环境综合感知等业务，核心产品包括：便携式防空导弹作战指挥系统系列、野战通信指挥系统等系列产品。在低空空管保障业务方向，布局有低空飞行服务保障、航空应急救援等业务，核心产品包括：对空监视指挥的低空雷达、通航综合运行支持系统、通航飞行服务站、通用机场移动塔台车、通航公司运营平台、无人机飞行协管系统等，其中通用机场移动塔台车、航空应急移动塔台车、低空飞行服务（站）系统等产品已有销售或租用合同；航空应急飞行服务保障平台、5G空管业务通信接入平台已完成在应用环境中的验证；低空监视雷达、场面监视雷达分别为国家科技部和中国民用航空局课题创新成果，已完成通航机场验证。

　　叠加新材料和光刻胶双重概念的宝丽迪4月1日迄今股价累计最大涨幅达125%。宝丽迪在4月8日发布的机构调研公告中表示，共价有机框架材料是学术界热门的研究材料，旗下耀科新材料（苏州）有限公司基于南开大学张振杰教授研发的熔融绿色合成技术，能够在无溶剂的绿色合成条件下制备COFs材料，目前已经实现了COFs等新材料的小试、中试以及吨级的量产。耀科公司成功研发的多个系列COFs超级吸附剂产品在核废料处理、水体污染物移除、VOCs处理等多个领域具有应用价值，能够为环保公司、树脂公司、医药公司、生物技术公司提供高效、经济、环保的解决方案。此外，宝丽迪2023年7月31日在互动平台表示，宝丽迪成功研发红色纳米色浆，可应用于光刻胶领域。目前公司已经完成部分光刻胶色浆样品验证，并且正在进行多批次、重复性、稳定性等应用测试。

　　飞南资源主营危险废物处置业务及再生资源回收利用业务，其在4月29日披露的机构调研公告中表示，广西飞南项目2023年竣工建成，主要拓展广西区域含铜污泥等危险废物市场，并以镍金属为主集中生产镍精粉，构建完整的产业链条。目前资源化后端产线已投入试运行，2024年一季度产出镍精粉、铜精粉并实现销售。项目储备方面，控股子公司广东名南项目规划危废处置能力为15万吨/年，主要处置垃圾焚烧飞灰、焚烧残渣和含铜镍等工业固体废物，目前该项目在进行前期场地平整等相关工作。控股子公司赣州飞南项目规划资源综合利用工业废盐40万吨/年，产出氯化钠、硫酸钠、烧碱、液氯、盐酸等资源化产品，进一步延长资源化链条，完善产业布局。目前该项目已取得项目用地，正在办理建设前期手续。