... Blow Moulding Machine is specially used for 0~3.5L small bottles, suitable for PE, LDPE, HDPE, PP, PVC. MODEL: HWB55 Single Station Automatic ... for maintenance.3. High efficiency mixing screw with special design & structure, ensuring higher plasticizing capacity and good quality.4. Nether bent arm ... supports for all the life. 0~3.5L Single Station Automatic Extrusion Blow Moulding Machine HWB55