GB 25501-2019 Minimum allowable values of water efficiency and water efficiency grades for faucets

GB 28378-2019 Minimum allowable values of water efficiency and water efficiency grades for showers

GB 28377-2019 Minimum allowable values of water efficiency and water efficiency grades for urinals

GB 30717-2019 Minimum allowable values of water efficiency and water efficiency grades for squatting pans

GB 25502-2017 """Minimum allowable values of water efficiency and water efficiency grades for water closets"""

GB 30717-2019 Minimum allowable values of water efficie...

GB 12021.6-2017 Minimum allowable values of energy effi...

GB 25502-2017 Minimum allowable values of water efficie...

GB 29541-2013 Minimum allowable values of the energy ef...

GB 25501-2019 Minimum allowable values of water efficie...

GB 28377-2019 Minimum allowable values of water efficie...

GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous

GB 28378-2019 Minimum allowable values of water efficie...