闰土股份：还原物市场报价达38,000元/吨，分散染料黑价格每吨上涨约1,000元

Group 1 - The core viewpoint of the article highlights that the price of disperse dyes, particularly the black variant, has recently increased due to the rising cost of a key raw material, namely the reducer [1] - The price of the reducer has been operating at low levels for the past two years but began to rise in late January, reaching approximately 38,000 yuan per ton as of January 27 [1] - As a result of the increase in raw material costs, the price of disperse dye black has risen by about 1,000 yuan per ton recently [1]