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Local standards

Region	Province	Standard Name	Jump Link
North China Region	Beijing	DB11/1028-2021《Technical Standard for Energy saving Doors and Windows Engineering in Residential Buildings》	Jump Link
	Tianjin	DB29-164-2021《Technical Standard for Energy saving Doors and Windows Engineering in Civil Buildings》	Jump Link
	Hebei Province	B13(J)185-2020《Energy saving Design Standards for Residential Buildings (Energy saving 75%)》	Jump Link
Northeast China Region	Liaoning Province	DB21/T 2885-2023《Energy saving Design Standards for Residential Buildings》	Jump Link
Northeast China Region	Heilongjiang Province	DB23/1270-2019《Energy saving Design Standards for Residential Buildings in Heilongjiang Province》	Jump Link

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Zhejiang Shobt Intelligent Home Technology Co. , Ltd.

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