big blow moulding machine 1. smooth bottleneck inner 2. liquid level 3. 1 or 2 cavities 4. thickness can be adjust big ... blow moulding machine, bottle blowing machine, blow machine, blow molding machinery 1. the ... model has 3 main part: 65 extruding machine, 2 station reciprocating molding machine and controller.4. can size the bottleneck.5. 1 head ...