Yongkang City, Zhejiang province can be voted Hardware Factory   

        the purpose of building roads is to promote economic prosperity and benefit the majority of people. Safe, smooth, comfortable and beautiful highway traffic environment has achieved obvious economic and social benefits. However, the road traffic has also brought some adverse effects on the environment along the route, the most direct impact is the noise pollution of the noise barrier in the long term operation process. With the rapid development of highway construction, the number of vehicles is increasing year by year, and the traffic noise pollution has attracted more and more people's attention. Highway traffic noise source is roaring engine when the car is running, friction between tire and pavement, especially when the car honking horn [about 90~95dB (A), 105~110dB (A) for steam horn] shrill voice seriously interfered with people's work and rest, make people irritable and cause dizziness and tinnitus, insomnia heart panic, this can cause hearing loss, tinnitus and dizziness, palpitation caused insomnia, caused the decline of health and work efficiency. In order to eliminate the pollution of highway crossing noise to human environment, it is urgent that www.zgspz.com improve the environmental quality, carry on the thorough research, make the present situation appraisal and the influence forecast, and put forward the prevention countermeasure.