Key factors 1.Suitable for 6 mtrs to 8 mtrs web width biaxially oriented film such as BOPET and it's function film, etc. 2.Machine speed can be MAX 600 m/min 800 m/min 1200 m/min. 3.Hydraulic rewinding or bottom linear can be optional. 4.Individual direct driven carbon fiber roll or belt driven, depends on disign. 5.All SIEMENS servo control system. 6.Intelligent Process Technology.