Min. Order Reference FOB Price
1 Piece US$4,500.00-7,980.00 / Piece
Product Description
Product Description "Cold cathode" refers to the cathode of electron emission without heating in the electron tube. The good material of field emission with high conductivity (carbon nano) is used as cold cathode to make cold cathode X-ray tube. Cold cathode X-ray machine is a coniferous carbon ...