April 16th news: On April 16th, Shandong Luxi Chemical's latest ex-factory quotation for caprolactam-grade ammonium sulfate was 1,830 yuan per ton, with a price increase of 10 yuan per ton. Actual transactions are mainly subject to negotiation. Chempricehub analysis of ammonium sulfate, long-short score: 1. The article reports that Shandong Luxi Chemical's ex-factory quotation for caprolactam-grade ammonium sulfate increased by 10 yuan per ton to 1,830 yuan per ton, indicating tightening spot market supply or a slight recovery in demand, which is a positive factor. However, the increase is limited, and actual transactions are mainly subject to negotiation, indicating that market confidence has not fully recovered. Therefore, it is rated as a general positive.