Profile: Shyhung Trading Co Ltd produces saline nasal sprays. Our spray is used in allergic rhinitis, nose itching chronic sinusitis, septic thick nose, post-nasal drip and congestion. We market pulse nasal washing devices, flight protectors, waterproof protectors & hearing aids. The earplanes are simple, easy to carry & produces sound up to 25-30 dB noise barriers. The water proof earphones are designed based on the human ear shape & it used to hear the voice clearly while at swimming.