... bottle preform. 100% new materials and 100% quality. Our 5 gallon PET bottle preform have high reputation in competitive price ... have many kinds of preforms which can be blew to bottle from 3 to 5 gallon.(560g,600g,630g,650g,680g,700g,730g ... toughness4) Different neck sizes and weight (accord with customers requirement)5) We can produce preforms in according with customer special requirements ...