5 gallon preform,5 gallon PET preform,5 gallon bottle preform,5 gallon plastic preform.650,680,700,730.750g/pcs. 5 gallon preform,5 gallon PET preform,5 gallon bottle preform,5 gallon plastic preform.650,680,700,730.750g/pcs... 5 gallon preform,5 gallon PET preform,5 gallon bottle preform,5 gallon plastic preform