Prices of polyethylene terephthalate (PET), a form of polyester that is used in the production of plastic bottles, have plummeted by 56% in recent days after sharp rise over the past few months, the secretary of Mineral and Potable Water Producers Association said.
Peyman Forouhar said prices that had climbed to a record level of 250,000 rials ($2.2) per kilo have now fallen to 110,000 rials ($1.2).
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