Recently, the Department of Product Quality Supervision of the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China promulgated the implementation specifications for product quality supervision and inspection of permanent magnet DC motors in 2010.
It is understood that its supervision and spot check product range includes permanent magnet DC motors for electronic household appliances and ferrite permanent magnet DC motors. The standard content includes product classification, terminology and definition, enterprise scale division, inspection basis, sampling, inspection requirements, determination principles, reconsideration of opposition processing, and attachments.
It is understood that permanent magnet DC motors are mainly used in electronic home appliances such as tape recorders, video recorders, record players, DVDs, cameras, program controllers, and electronic toys. At present, domestic production companies have occupied most of the market share.