The 4S stores of FAW Toyota / BMW authorized 4S centers / Dongfeng Honda authorized 4S centers / Guangzhou Honda (now Guangqi Honda) have a large service fleet, and the daily oil refilling volume for items such as engine oil, transmission oil, and brake fluid is large and frequent. The traditional decentralized oil storage and manual refilling mode has problems such as low efficiency, excessive waste, difficult data traceability, and messy site conditions.