Gold plated tungsten pig price is 90.00USD/PC on July 30, 2019. Tungsten pig is plated with gold, like a smooth, shiny copper mirror that reflects the image of the object next to it. For the product, the gold content in the gold plating solution should be less than 99%, and the thickness of the gold plating layer with be 0.3 microns. The gold plating layer should be fine and uniform, bright and smooth, and the surface is free.