Legal representative of Qingdao Junronghuaxun Terahertz Technology Co., Ltd.: He Heping, registered capital: 100,000 yuan, domicile: Room 1 0, Binhai Street, Huangdao District, Qingdao, Shandong Province, business scope: general projects: technical services, technical development, technical consultation, technical exchange, technology transfer and technology promotion. Research and development of terahertz detection technology: sales of experimental analysis instruments; Integrated circuit design; Integrated circuit chip and product manufacturing; Integrated circuit sales; Sales of special equipment for semiconductor devices; Manufacture of special equipment for semiconductor devices; Manufacture of electronic components and electromechanical components; Sales of power electronic components; Sales of navigation, surveying and mapping, meteorological and marine special instruments; Sales of optical communication equipment; Information technology consulting services; Manufacture of radar and supporting equipment; Intelligent vehicle equipment manufacturing; Satellite communication service; Satellite technology integrated application system integration; Satellite remote sensing data processing; Satellite remote sensing application system integration; Satellite navigation service; Office equipment sales; Safety equipment manufacturing; Security equipment sales; Information system integration service; Wholesale of computer software and hardware and auxiliary equipment; Import and export of goods; Technology import and export; Manufacturing of copying and offset printing equipment; Sales of copying and offset printing equipment; General equipment manufacturing (excluding special equipment manufacturing); Intelligent drone sales; Intelligent drone manufacturing; Communication equipment manufacturing; General mechanical equipment installation services; Sales of communication equipment. (Except for projects subject to approval according to law, business activities shall be independently carried out according to law with business licenses) Licensed projects: Category I value-added telecommunications services; The second kind of value-added telecommunications services; Basic telecommunications services. (Projects subject to approval according to law can only be operated after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments. )