(English version, 4424 words, 17 pages)

Do your products need to know the Environmental Quality Standard for Noise before they enter Chinese market? The pages will show you more information.

The standard specifies the environmental noise limit and the measuring method of Class 5 acoustical environment function zone.

The standard is applicable to the assessment and the management of acoustical environment quality.

The standard is not applicable to the regions at airport periphery due to the noise influence of plane passing (taking off, landing and fly-by).

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