HZGANG

Audio- and video-receivers; Cabinets for loudspeakers; Computer peripheral devices; Electronic pens; Graduated glassware; Measuring glassware; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Optical character recognition apparatus; Optical inspection apparatus; Power supplies; Projector lamps; Remote controls for radios, televisions, stereos, projectors; Renewable battery system to provide backup power; Tripods for cameras; Scientific and technical apparatus, namely, optical mirrors