SHANGHAI WINKO PLASTICS CO., LTD belongs to Winko Group in researching and manufacturing BOPS sheet since 1992, We introduced Marshall & Williams production equipment from USA, and accumulated a large number of professionals with strong technical force through 22 years' effort, after innovation and development, became the largest capacity one of the world' s single BOPS production line. the thinnest BOPS sheet we are producing is 96um, max 750um. Because of its great transparency, glossiness and rigidity, BOPS is known as the " glass" of plastic field, and is widely used in food packaging, mecial and health-care packaging, industrial and agricultural packaging as well.