Aluminum Foil, Heat Shrinkable Tube, Aluminum Case manufacturer / supplier in China, offering 1 Inch Throat Diameter Screw on 1 3/8" Ferrite Hf- Compression Driver (DE-2801TS), 1 Inch Throat Diameter Screw on 1 3/8 Ferrite Hf Compression Driver (DE-2505TS), 1 Inch Throat Diameter Ferrite Hf Compression Driver (DE4402) and so on.