铜薄片, Copper Thinfoil

铜箔, Copper foil

铜箔, Copper foil

铜箔, Copper foil

铜溅射靶, Copper sputtering target

铜板, Copper plate

铜纱, Copper gauze

铜线, Copper wire

铜线, Copper wire

铜线, Copper wire