"Shenzhen Ruilongyuan Electronics Co., Ltd. was established in 2009 and is a national high-tech enterprise; it specializes in the development, design, manufacturing and marketing of overvoltage and overcurrent components & products.
Ruilongyuan’s main products are Gas discharge tube(GDT),Transient voltage suppressors diodes (TVS),Thyristor surge suppressors（TSS),Protection device TVS/ESD arrays(ESD),Positive thermal coefficent(PTC),Metal oxide varirtors(MOV) And other series of surge protection components and surge protectors, with a number of inventions and utility model patents."