... memebrane devices, mainly used in the coating of smooth high-quality diamond films2.various special color of decorative coatings,(not only ... carbide, zircomium carbide and nitride, etc. carbonization of the film,titanium3. zirconium,gold,silver,aluminium,copper,and so on the ... of the furnace rate of 100 percent, generating film smooth delicate, high bonding strength, hardness 2. Similarly Products