... one poly woodcase.Usages: Widely used as engraved plate in printing industry and used to make molds,name card and so on. ... auto, air, 3C (computer, communication, consumer electronics.)Which is used mobile phone coat, car coat and airplane that make mobile ... at temperatures below 150°C.Diverse uses including aerospace, aircraft, concrete tools, 3C (cell phone / camera / computer), speaker cones and ...