... heating and blowing technics, by which the automatic blowing machine series have achieved in powerful productivity but very reasonable price. ... can stand hot filling without deformation. D.Advantages of Rotary Automatic Stretch-Blow Molding MachinesD.1. High productivity: ... ' demand, our technologists successfully design and manufacture a series of rotary plastic blow moulding machines: DMK-R4, DMK-R6, ...