... ,good quality mold steel,hot runner plastic bottle preform mold,plastic bottle blowing mold,plastic bottle preform mold for PP,PE, ... hot runner,cold runner,rotary demoulding, submarine gate, and pin-point gate.2)Material:3Cr13 HRC45-48 Mandril:3Cr13 HRC45 ... HRC25-28 Other products:Injection blow machine,extruder blowing machine,plastic bottle and bottle cap mould ,mold temperature controller,high- ...