Censtar oil tankers fluid hose and coupling, etc. According to whether tankers coupling hose containing hydraulic source is divided into high pump type tankers and doesn't pump type liquid level scoop tankers.The latter tank liquid level higher than that of tankers, using the potential energy of oil gas, tanker itself has no oil pump and oil and gas separator. In addition, there are some special tankers, such as automotive tankers, submersible pipe coupling pump tankers and IC card refueling tankers, etc.