Polishing 2-Re-printing water-based varnish with a common printing machine (usually used on a 5-color machine). The thickness is very thin and the brightness is ok.
Oiling-After the printed matter is printed, oil the oiler (the one with drying channel), and the oil comes out thick and bright.
UV-after the printed matter is printed, put it on a UV machine for UV oil. There must be a drying channel, otherwise it won't work. Very thick, taller than paper, with outstanding hand feeling and bright.
Polishing.-I don't know
Calendering-the product after oil is reused at high temperature; High pressure; Press the wheel down once, it's very, very bright.