April 2nd News: On April 2nd, Hualu Hengsheng Chemical Co., Ltd. announced the latest ex-factory prices for ammonium sulfate. The price for caprolactam-grade ammonium sulfate in bulk is 1,790 yuan per ton, an increase of 30 yuan per ton. The price for power plant-grade ammonium sulfate is 1,565 yuan per ton, also up by 30 yuan per ton. Actual transaction prices are subject to negotiation.