Can center & Exterior selective. Suitable for material : PE ( HDPE, LDPE, LLDPE,MLLDPE......) ... ,PLC,Auto change 2,Auto tension control, lay-on pressure control 3,Operation mode: Friction /Center /Friction & Center/gap and reverse windings 4,TH ... platform Winders (single) or (double) * Operation mode :Friction style Friction & Center style Friction & Center/gap style Center Winder