China has issued eight mandatory national standards so far to regulate the water efficiency of household products. The State Administration for Market Regulation performs national spot checks yearly on products qualities, which includes water efficiency, meantime it required market regulation bureaucracies of regional levels to strengthen inspection of energy and water efficiency labels from 2019. However, those two levels of inspection neither focus on water efficiency standards nor cover all eight categories of products. Furthermore, there is still space to improve in term of supervision effectiveness, efficiency and database management. For those reasons, this article aims to clarify the deficiencies and propose corresponding advice on the supervision system.
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