Advertising and publicity services; business management analysis and business consultancy; marketing research; providing information concerning commercial sales; preparation of financial statements; employment agency services; job placement services; compilation of information into computer databases; providing employment information; all of the above provided for others on a contract basis

Construction services, namely, building construction, earthworks in the nature of excavating for building construction, power, chemical and energy plant construction and electrical facilities construction; construction consultancy; maintenance of building equipment; aircraft repair and maintenance; repair and maintenance of automobiles; repair and maintenance of railway rolling stocks; repair and maintenance of two-wheeled motor vehicles; repair and maintenance of optical machines and apparatus; repair and maintenance of office machines and equipment; repair and maintenance of electronic machines and apparatus; repair and maintenance of telecommunication machines and apparatus; repair and maintenance of consumer electric appliances; repair and maintenance of electric motors; repair and maintenance of laboratory apparatus and instruments; repair and maintenance of measuring and testing machines and instruments; repair and maintenance of medical apparatus and instruments; repair and maintenance of chemical processing machines and apparatus; repair and maintenance of integrated circuits manufacturing machines and systems; repair and maintenance of semiconductor manufacturing machines and systems; repair and maintenance of nuclear power plants; repair and maintenance of chemical plants; all of the above provided for others on a contract basis

Educational and instruction services, namely, classes, seminars and workshops in the fields of computer aided design (CAD), artificial intelligence (AI) and internet of things (IoT), programming and web designs; arranging, conducting and organization of seminars; providing non-downloadable electronic publications, namely, books in the fields of technology education, programming and IT technology; services of reference libraries for literature and documentary records; publication of books; production of videotape film in the field of education, culture, entertainment and sports; providing facilities for educational training; all of the above provided for others on a contract basis

Architectural design; surveying; designing of machines, apparatus, instruments in the fields of transportation, automobiles, electric and electric/hybrid vehicles, aviation, household products, liquid crystals, semiconductors, electronics, consumer electronics, audio/visual, communications systems, automation, information technology, chemistry and materials science, energy, biotechnology, and medicine and their parts as well as systems composed of such machines, apparatus and instruments; designing of industrial products and interior design; computer software design, computer programming, and maintenance of computer software; technological advice relating to computers, automobiles and industrial machines; testing, inspection or research of pharmaceuticals, cosmetics or foodstuffs; research on building construction or city planning; testing or research on prevention of pollution; testing or research on electricity; testing or research on civil engineering; testing, inspection or research on agriculture, livestock breeding or fisheries; testing the functionality of machines; research on machines; providing temporary use of non-downloadable computer programs for IT networks, cloud, information system, application, AI, IoT and security that provides data management, project scheduling, project management, financial management, customer management, service management and supply chain management and production management; all of the above provided for others on a contract basis