... the application areasThe product application areas: wood coloring, stamping materials, leather dyeing, plastic coating, printing ink, stationery, ink, metal, ... such as upholstery cryogenic paint)4 metal complex dyes, specialty coatings5, ballpoint pen and a variety of stationery ink ... vacuum and plating, etc.)7, natural and synthetic leather surface coloring8, shoe polish stain9, metal complex dyes for ...