COW (crude oil washer) system, is the Beijing otlet lung technology development Co., LTD. Based on years of experience in large oil tank cleaning, designed for large floating roof oil tank cleaning device development alone. This device from oil tank cleaning of oil recovery, the suction system, through the main machine will be washed realize modular, not only reduced the temporary set assignments, still make the main machine equipment centralized management operations.

COW system is a system, heat pump system and group a cleaner, and foreign same equipment adopts the explosion-proof type parts compared, optimization of the unit equipment selection, and the overall equipment small volume, convenient transportation, the advantages of performance to price ratio.