Dongguan Rongchang Technology Co., Ltd. (hereinafter referred to as Rongchang Technology) was established in 2020. The company is dedicated to the field of electronic protection components, mainly engaged in the agency sales of overvoltage protection and overcurrent protection devices. Its main products include series of surge protection components such as varistors (MOVs), thermistors, transient suppression diodes (TVS), ceramic gas discharge tubes (GDT), surge protectors (SPD), composite protection units (KOVs), electrostatic protection arrays (ESD), self recovering fuses (PTC), and surge protection products.