We only talk this under PVD vacuum coating.As for PVD coating service factory, there is no answer for above question. They just follow customer’s target color to do plating.Under the same type of target(titanium, zirconium, etc.), darker yellow means more coating time and more coating gas, film adhe

As for jewelry plating services, we can choose electroplating or vacuum plating. In here, we only talk about vacuum plating.If jewelry material is plastic, we can choose thermal evaporation. If jewelry material is metal such as stainless steel, brass, zinc alloy, we can choose multi arc. What’s more

Normal industrial metal has stainless steel, iron, aluminum, brass, zinc alloy, etc. Electroplating(chrome or nickel plating) can be applied on all metals, but it is harmful to environment because of waste chemical liquid.Another plating should be PVD coating. PVD coating is popular surface treatmen