... stretch film etc.The width from 500mm to 2000mm, single layer to 2 layers, 3 layers, 5layers and so on. ... chemicalindustrial raw material, building material etc. 2) Horizontal packaging: Metal pipe, aluminum alloy material, timber etc.3) Rotational twist: Rolling paper ... our factory. 7. Certificate: 8. Varied machine pictures A.Single Layer:B.Double Layers: C.Three-five Layer .8.Photo of the machine