Bare copper earth wire conductors refer to pure copper wires drawn from shiny or flexible pure copper rods, usually called bare copper wires. It has copper metallic luster, smooth appearance, translucent, very high electrical conductivity, and excellent t
Anti-odor,Anti-flu; Anti-infection,Food Processing ,Medical TreatmentPrecise Chemical IndustrySafe, breathable, and hypoallergenic; and high filtration capacityElastic ear-hook with no pressure to the ears.