Changzhou Pioneer Electronic Co.,Ltd.is one of the leading professional manufacturer in the electromagnetic compatibility (EMC) field.Our wide range of EMI/EMC filters and related EMI shielding materials are widely used in energy-efficient drive systems and electronic motor controls such as frequency converters or inverters,in power supplies for numerous electronic devices in sectors such as medical technology or telecommunications, in wind power and photovoltaic systems,in rail technology and military etc. We have cooperated with a group of world-class customers from all industries at home and abroad.