Shaanxi Hongrifeng Electric Co., Ltd., with a modern factory area of over 3,600 square meters, is a professional manufacturer of surge arrester leakage current ammeter series, SF6 density relay series, SF6 density sensor series, hub series, valve manifold series, convergence nodes, and IED power transmission and transformation equipment communication gateway series products. Its products are widely applied in high- and medium-voltage switches, the electrical power appliance industry, and power ubiquitous Internet of Things (IoT) intelligent substation renovation projects.