5gallon Pet Preform, 750g Pet Preform, Pet Preform manufacturer / supplier in China, offering 5/Five Gallon Food Grade 750g Pet Preform/Perform for Water Bottle, Food Grade 55mm 750g Plastic Preform for 20L Reusable Pet Water Bottle, Food Grade 55mm 750g Pet Perform for 18L Recyclable Water Bottle and so on.