Preforms are manufactured from polyethylene terephthalate (PET), so they are called PET preforms. They are produced by RETAL using a highly-accurate injection molding process on equipment from the leading world vendors.
http://www.sjzwlplastic.com/pet-preform/
http://www.sjzwlplastic.com/pet-preform/
Preforms are manufactured from polyethylene terephthalate (PET), so they are called PET preforms. They are produced by RETAL using a highly-accurate injection molding process on equipment from the leading world vendors.
http://www.sjzwlplastic.com/pet-preform/
