Perennials: 1 Band. 1 Year. 52 Songs. 12 Charities.
Blow molding is a common method for manufacturing hollow thermoplastic products. The main products are tubular membranes and hollow vessels. The blow molding machine can plasticize the preformed product by heating and then blow it into the mold. This method is mainly used for high speed and high yield PET bottles.https://www.haishi-machinery.com