Building Safety Protecting Netting: 1)used to circle the building site 2)nylon, polyvinyl alcohol,polyethylene 3)Factory Building Safety Protecting Netting Material: HDPE, PE(polyethylene), PP, Nylon, polyester, polyvinyl alcohol. Weaving and Characteristics: The longitudinal mesh is hamulus weaving by knitting machine, Horizontal mesh is made by machine and manpower.Length: 50-200m rolls or 5m, ...