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This is a oil bottle,which doesn't need funnel to fill it.Compared with the traditional oil bottle,it's convenient and environmental. The outside of the lid is thread.The intersection of the lid and the screw ring is a layer of rubber ring,which can anti oil leakage.The opening extends downward. Just put the oil bottle upside down,and open the bottle lid,then pour the bagged oil into the oil bottle.
Fanxi Tang, Chenming Liu,Lijuan Liu, Qiuying Xu