Wankai PET Bottle Resin - Bottle-Grade Polyester Chips WANKAI's Polyethylene Terephthalate & PET bottle material meet the standards of food packaging. PET chips are widely used in the production of bottle packaging containers, such as water bottles, beverage bottles, edible oil bottles, cosmetic bottles etc. Our polyester PET chips have the advantage of safety, light, high transparency and high recycling value. It can maintain the flavor of food and beverage.