The United States has decided to slap anti-dumping tariffs of up to 52 percent on South Korean polyethylene terephthalate (PET) sheets amid Washington’s growing protectionism, a local trade promotion agency said Friday. U.S. firms called for anti-dumping duties of between 44.45 percent and 52.39 percent on PET sheet products from South Korea. PET sheets are widely used in the packaging of eggs and vegetables.

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