... product application areas: wood coloring, stamping materials, leather dyeing, plastic coating, printing ink, stationery, ink, metal, paint, eyeglasses, ... packaging paper, aluminum foil, vacuum plating PVC, PET, and OPP plastic film coloring, the product can be mixed with various ... pen and a variety of stationery ink dye6, the plastic surface staining (such as vacuum and plating, etc.)7 ...