Shenzhen Ruilongyuan Electronics Co., Ltd. was established in 2009. It is a national high-tech enterprise and a Guangdong Province specialized enterprise. It is committed to the research and development, production and marketing of overvoltage and overcurrent protection devices. The company's main products are ceramic gas discharge tubes (GDTs), varistors (MOVs), surge suppressors (SPDs), composite protection units (KOVs), transient suppression diodes (TVSs), electrostatic protection arrays (ESDs), self-recovery fuses (PTCs) and other series of surge protection components and surge protection products. It has a number of invention and utility model patents. The company has established a product compliance inspection center (PCIC), which can complete T1, T2, T3 level surge tests, electrostatic withstand voltage tests, thermal stability and other reliability test items to ensure product quality and ensure the safety of customer equipment.

Ceramic gas discharge tube (GDT), varistor (MOV), surge suppressor (SPD), composite protection unit (KOV), TVS diode, electrostatic protection array (ESD), self-recovery fuse

5G communications, LED power supplies, rail transit, mobile terminals, automotive electronics, household appliances, smart IoT, power tools, signal transmission, security systems, power supply and distribution, new energy and other fields