Oil tanker trucks, also known as mobile refueling trucks, computer-controlled refueling trucks, tank trucks, loading trucks, transporting trucks, hauling trucks, oil transport vehicles, edible oil transport vehicles, are mainly used for the transportation and storage of petroleum derivatives such as gasoline, diesel, crude oil, lubricants, and coal tar. According to different purposes and usage environments, there are multiple refueling or oil transportation functions, including oil suction, oil pumping, and various oil distribution and release functions.