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The prices of pure polyester yarns were stable. Shandong Province's specifications for 21s pure polyester yarns were 13,200 yuan/ton, Zhejiang Province's specifications were 32s, the prices were 1,433,000 yuan/ton, and Jiangsu Province's specifications for 45s were 1,520,000. RMB/ton, trading volume is slightly enlarged. Shaanxi Province has a 50s specification. 570,000 yuan/ton. In the adjustment of polyester staple fiber prices, the market center price is around 9800 yuan/T.