JH-11B self sealing oil gun

date：[2011-12-24] pk_hits：

The JH-11B self sealing oil gun has accurate flow control and is designed specifically for prepaid self-service and card systems to prevent oil spills and theft. When the oil pump system is pressurized to a certain degree, the oil gun can only be opened; When there is no pressure, the oil gun will automatically close when it is placed in the oil gun rack position.