PDC was established in 1990, and its stock was listed on the OTC in 2002. It is one of the few passive component manufacturers in China that can supply ceramic powder raw materials and sell multilayer ceramic capacitors at the same time, and is the only one capable of vertically integrating raw materials from upstream to passive chip components. 

       In 2005, PDC entered into a strategic alliance with WTC. In 2008, it formally merged with Hongdian Electronics, extending its sales scope from dielectric ceramic powder, semiconducting ceramic capacitor tiles, multilayer ceramic capacitors, and chip resistors to inductors. It has become a domestic The only passive component supplier that can fully provide special capacitors, resistors, and inductors.