General services: technology services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; manufacturing and sales of instruments and meters, production and sales of utility instruments and meters, manufacturing and sales of smart instruments and meters, production and sales of environmental monitoring instruments and meters, manufacturing and sales of laboratory analytical instruments, production of safety and firefighting metal products, firefighting technology services, sales of firefighting equipment, security system monitoring services, design and construction of security technology prevention systems, production and sales of security equipment; design and service of integrated circuit chips, production of integrated circuit chips and products, software development and sales, IoT technology development and services, information system integration services, artificial intelligence industry application system integration services, intelligent control system integration, data processing and storage support services, import and export of goods, and technology import and export, etc.