... etc.), the tool industry (drill bits, carbide cutters, broaches, shaving heads), the automotive industry (piston, piston rings, alloy wheels, ... Cleanness,pollution-free deposition,green product,healthy non-toxic2.Metal,ceramics,glass deposited with protective coating,hard coating, ... coating3.High ionization rate and high depositing speed of metal vapor,strong adhesion between coating and substrate.4. ...