Surveillance camera systems subcategory for safety management and equipment protection in manufacturing sites. Handles network cameras, recording devices (NVR/DVR), monitors, and camera accessories for theft prevention, work monitoring, quality control, and accident prevention in factories, warehouses, and business facilities. Focuses on equipment adapted to special manufacturing environments including dust-proof and waterproof industrial cameras, infrared cameras for night surveillance, and high-temperature environment cameras. Includes integrated security systems with access control and fire alarm connectivity. Limited to commercial surveillance systems specialized for occupational safety and health management and equipment protection in manufacturing, distinct from general residential security cameras.