Providing an integrated solution for intelligent centralized oil supply and precise dispensing, tailored for automotive 4S dealerships, comprehensive repair shops, quick-service centers, and large fleet maintenance workshops. The system enables unified management of various lubricants—including engine oil, transmission fluid, brake fluid, coolant, and grease—through centralized storage, pipeline delivery, metered dispensing, data traceability, and eco-friendly recycling. It eliminates traditional manual practices such as carrying heavy drums, pouring oil by hand, and paper-based record-keeping, significantly improving oil change efficiency, reducing product waste, enhancing workshop conditions, and meeting compliance and traceability requirements. This solution supports automotive repair shops in achieving standardized, digital, and intelligent upgrades.