About

NorthVillage Labs Inc, has patented in multiple countries including Japan and the United States "Ventilation Soundproof Structure" applied to panel and curtain named "AirTorce ®" . The company also manufactures and sells "AirTorce ® ER," no sound reduction in the voice area, only the flat high-frequency area reducedm noise-canceling earpiece type, sound requiring without power supply.