5 or 3 gallon bottle PET preform 55mm neck size 450g,480g,560g,630g,650g,680g,700g,720g,730g and 760g blue color 5 gallon PET preformsOur preforms have ... certification.Features:1) 100% new material2) High transparency3) High toughness4) Different neck sizes and weight (accord with customers requirement)5) We can produce ...