Recently, it was learned on the official website of Beijing market supervision and administration bureau that Beijing yadu Environmental Protection Technology Co., Ltd. reported the recall plan to Beijing market supervision and Administration Bureau in accordance with the requirements of the Interim Provisions on the administration of recall of consumer goods. According to the notice issued by Beijing market supervision and Administration Bureau, the air purifier products within the scope of this recall are due to the quality problems of individual components in the power supply board, resulting in delayed capacitor discharge (the residual voltage exceeds 34V). If the metal parts of the plug are touched within a short time after the power plug is pulled out, there is a risk of electric shock. < p > < p > for the air purifier products within the scope of recall, Beijing yadu Environmental Protection Technology Co., Ltd. said that it would actively implement the main responsibility of the enterprise, replace the power supply board for users free of charge, and strengthen the design process in the future to improve the quality and safety level of products, so as to eliminate potential safety hazards. The recall notice will be issued on the official website () from now on, which will remind the consumers who hold the affected products to take the emergency measures of not touching the metal parts on the power plug when pulling out the power plug, and contact Beijing yadu Environmental Protection Technology Co., Ltd. for maintenance.