Abstract: The invention is to provide an adjustable vacuum food storage container, comprising of a base, a socket mounted on the base, and a cover covering the socket; a vacuum controller, a pressure detective means, an out connector power means, a spare battery set, and a power switch are disposed on the base, and an exhaust valve are further added on upper cover; the pressure detective connected to the socket for auto-detecting the accommodation between the socket and the upper cover, and the vacuum controller combined to the pressure detective means for keep it at vacuum state at any moment.

Abstract: The present invention provides an improved steam cleaning device, comprising: a hand-held steam generator, a pole, a platform cleaning polygon housing, constructed by an upper lid and a lower lid opposite to each other, a steam-releasing apparatus disposed at the bottom of the platform cleaning polygon housing, indentation of the upper lid pivoted to clips, at least one wheeled body connected to lift said platform cleaning polygon housing off the floor; and a cleaning tool; wherein said hand-held steam generator can be selectively adapted to the pole, the platform cleaning polygon housing or at least one cleaning tool.

Abstract: The invention is to provide an adjustable vacuum food storage container, comprising of a base, a socket mounted on the base, and a cover covering the socket; a vacuum controller, a pressure detective means, an out connector power means, a spare battery set, and a power switch are disposed on the base, and an exhaust valve are further added on upper cover; the pressure detective connected to the socket for auto-detecting the accommodation between the socket and the upper cover, and the vacuum controller combined to the pressure detective means for keep it at vacuum state at any moment.

Abstract: The present invention provides an improved steam cleaning device, comprising: a hand-held steam generator, a pole, a platform cleaning polygon housing, constructed by an upper lid and a lower lid opposite to each other, a steam-releasing apparatus disposed at the bottom of the platform cleaning polygon housing, indentation of the upper lid pivoted to clips, at least one wheeled body connected to lift said platform cleaning polygon housing off the floor; and a cleaning tool; wherein said hand-held steam generator can be selectively adapted to the pole, the platform cleaning polygon housing or at least one cleaning tool.