Shenzhen HHD Technology Co., Ltd., founded in 2009, is a national high-tech enterprise. HHD Technology focuses on supply chain security, providing leading industrial smart locks, smart security boxes, smart sensors, and smart controllers. It is a leading provider of integrated "software, hardware, and cloud" solutions in the industry. Its core application solutions cover three major scenarios: Smart Logistics: Achieving end-to-end theft prevention and in-transit monitoring through Transportation Management System (TMS), Risk Management System (RMS), and cloud gateway systems. Smart Terminals: Serving terminal staffing, monitoring, and robotic applications, enabling unmanned operation, robotic inspection, and intelligent loading and unloading supervision. Digital Energy: Applied to tanker truck transportation monitoring and storage tank safety management, achieving end-to-end safety control and traceability of hazardous chemicals.