Shanghai Xincheng insulation Decoration Engineering Co., Ltd.   

Our room is on the ravages of the outdoor noise, especially the vehicle more roads and Downtown Airport Station, here to introduce a little bit about soundproof window knowledge, for everyone to share. The noise will have a psychological effect, the noise at high frequencies, the general people are restless, excitable condition. Long term living in the environment with high noise, easy to make people feel irritable, cachexia, affects the working efficiency. If a long time exposure to noise, hearing there will be obviously decreased, take hours or even tens of hours to complete recovery. The intensity of noise with sound level said unit is dB (dB). The noise level in the 35 ~ 45 dB is relatively quiet normal environment; more than 50 decibels will affect the sleep and rest; more than 70 dB interference conversation, causing upset, don't concentrate; long-term work or live in more than 90 dB noise environment, will seriously affect the hearing and guide and other diseases caused by cardiac angiogenesis. It is particularly worth reminding that the harm of noise and increasing with increasing contact time. The expert points out, if only for a short time exposure to intense noise, auditory organs sensitive will drop from the noise environment after a few minutes to return to normal, this condition is known as auditory adaptation, is a physiological phenomenon of human protection. The first Xincheng soundproof window by the patent and trademark Xincheng soundproof window holder of Mr. Li Yong. Since three years of increasing development we are most proud of is not a company and grow, but to increase our customer group a name! A sound thanked every smiling face is our greatest satisfaction!

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