ZHENGRUN

Acoustic membranes; Bags adapted for laptops; Cabinets for loudspeakers; Computer mouse; Electric door bells; Loudspeakers; Measuring rulers; Microphones; Scales; Spectacle chains; Spectacle cords; Vibration dampeners for electronic audio equipment; Wireless speakers; Wrist rests for use with computers; Loudspeaker cabinets; Measuring tapes