Rotary Pet Stretch Blow Molding Machines-R4 (4 cavities, one in each mould), 5500 Bottles/Hr. ... Rotary Pet Stretch Blow Molding Machines-R4 (4 cavities, one in each mould), 5500 Bottles/Hr, ... of crystalline type, such as PET, PP etc.DMK-R4 has adopted original heating and blowing technics, by which the ... products without deformation. Rotary Pet Stretch Blow Molding Machines-R4