On February 2, the ex-factory quotation for melamine from Hualu Hengsheng was 5,400 yuan/ton, an increase of 100 yuan/ton compared to the previous quotation date. PriceSeek analysis of melamine, long-short rating: 1. The ex-factory quotation for melamine rose by 100 yuan/ton to 5,400 yuan/ton, reflecting producers' price hikes, indicating that market supply may be tightening or demand is increasing, which constitutes a positive impact on spot prices. Although the increase (approximately 1.85%) is not substantial, it shows a positive market signal, with a rating of +1 (generally positive).