The strictest: the standard for indoor environmental pollution control of civil construction engineering (GB 50325-2020) will be implemented from August 1! Toluene and xylene are listed as indoor pollutants


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“Small projects below the quota” and “prevention of falling from height in building construction” safety production publicity videos“Small projects below the quota” and “prevention of falling from height in building construction” safety production publicity videos

Magnetic Box Adapter Construction safety publicity film of private self built house   Source of specifications for aerial suspension operation: Zhongshan Municipal Bureau of housing and urban rural development