Special equipment manufacturing, Road motor vehicle production, Food sales. General items: Oil drilling specialized equipment manufacturing, Environmental protection specialized equipment manufacturing, Industrial robot manufacturing, Software development, Software sales, Information technology consulting services, Internet of Things technical services, Internet data services, Engineering technical services (excluding planning management, survey, design, and supervision), Technology import and export, Technical services, technology development, technical consulting, technology exchange, technology transfer, and technology promotion, Technology intermediary services, Specialized equipment repair, General equipment repair, Daily-use department store sales.