CONVUM Ltd. engages in the manufacture and sale of pneumatic equipment in Japan and internationally. It offers vacuum ejectors; vacuum suction pads; pressure sensors; vacuum robot hand, including balloon hand, e-hand, palletizer, kraft paper bag suction hand, bag suction hand, large diameter pad hand, and robot hand kit; vacuum accessory, such as vacuum filter, work drop prevention check valve, miniature vacuum in-line filter, check valve, vacuum in-line filter with coupling, and ejector silencer; and other products comprising thin non-contact pad, vacuum switching valve, picking pad, and mini air cylinders.