HTII-3L/6 Double-sation six-head blow molding machine: Twelve cavities,suitable for large quantities production HT ... 's requirements, we can provide machine with single-head, double-head, three-head, four-head, six-head, our machine can make multi-layer products such ... as single-layer, double-layer, four-layer, five-layer and six-layer, etc.3 ...