Technology development of computer software and external equipment; production, development and sales of: auto parts, motorcycle parts, ship parts (excluding engines), electronic communication equipment, hardware and electrical equipment, police equipment; business management consulting, security equipment manufacturing, security equipment sales, fire equipment sales, electronic special equipment manufacturing, electronic special equipment sales, digital video surveillance system manufacturing, metal chains and other metal products sales, information system integration services, intelligent robot research and development, intelligent robot sales, intelligent control system integration, intelligent vehicle-mounted equipment Manufacturing, intelligent vehicle equipment sales, artificial intelligence industry application system integration services, Internet equipment manufacturing, Internet equipment sales, Internet of Things equipment sales, mobile communication equipment manufacturing, mobile communication equipment sales, navigation terminal manufacturing, navigation terminal sales, digital video surveillance system sales, domestic trade agency, software development, information technology consulting services, technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion, special equipment repair, communication equipment repair, electronic and mechanical equipment maintenance (excluding special equipment)