Terahertz detection technology research and development; software development; artificial intelligence application software development; information system integration services; IoT equipment manufacturing; IoT equipment sales; security equipment manufacturing; security equipment sales; computer software, hardware, and peripheral equipment manufacturing; mobile terminal equipment sales; mobile terminal equipment manufacturing; mobile communication equipment manufacturing; mobile communication equipment sales; intelligent agricultural management; agricultural machinery manufacturing; agricultural machinery sales; agricultural machinery services; intelligent agricultural machinery equipment sales; intelligent unmanned aerial vehicle manufacturing; intelligent unmanned aerial vehicle sales; soil environmental pollution prevention and remediation services; environmental protection special equipment manufacturing; ecological environment monitoring and detection instrument sales; environmental protection monitoring; environmental monitoring special instrument sales; satellite remote sensing data processing; satellite remote sensing application system integration; satellite mobile communication terminal manufacturing; satellite mobile communication terminal sales; domestic trade agency; import and export commodity inspection and identification; leasing services (excluding licensed leasing services); security system monitoring services; digital video surveillance system manufacturing; digital video surveillance system sales; intelligent control system integration; software sales; artificial intelligence industry application system integration services; power electronic component manufacturing; intelligent vehicle equipment manufacturing; intelligent vehicle equipment sales. Production of terahertz application technology, terahertz technology products, terahertz detection instruments, experimental equipment and instruments, terahertz human and object safety detection products, terahertz biomedical detection and testing instruments and equipment; production of security inspection, security protection, anti-terrorism, explosion-proof, liquid and drug detection equipment, and vehicle undercarriage inspection systems; production of computer software and hardware, communication products, mobile phones; production of metal materials and semiconductors; production of network HD digital cameras, hard disk video recorders, fill lights, strobe lights, flash lights, LCD monitors, decoding servers, and monitoring equipment; production of weak current facilities. Labor dispatch. Goods import and export; technology import and export.