That is one expensive shotgun!
Just translated the text online and this is what came out:
"If you think of the new dimensional system this shotgun this, or where pump operation such as light in electrically assisted, and enjoy the sound and recoil of the force in the gas blowback formula.
3 departure simultaneous firing of conventional will follow of course. Or simultaneous firing number might be more, but I wonder a shot shell compatible traditional?"
I have no idea what they mean by the electrically assisted part as it doesn't make much sense to lighten the pump mechanism, but the gas blowback aspect has me VERY interested.