According to industry applications, paper tubes are classified as follows: chemical fiber industrial tubes DTY tubes, POY tubes, FDY tubes, nylon tubes, spandex tubes, spandex coated yarn tubes, industrial tubes BOPP, PET, PVC, BOPA, CPP, agricultural film, Cling film, stretch film, plastic bag tube (for supermarkets), aluminized film, electrical capacitor film, acrylic film,