... 2, servo motor control 3. reliable performance 4. produce transparent sheet It adopts co-extrusion technology, which produce multi-layer co ... -extrusion PET sheet, such as APET/PETG. PETG/APET/PETG. APET/RPET/APET ... co-extrusion technology, which produce multi-layer co-extruded PET sheet, such as APET/PETG. PETG/APET/PETG. APET/RPET/APET ...