March 3, according to monitoring data: On March 3, some hydrogen peroxide units of Shandong Jincheng Petrochemical Group Co., Ltd. were shut down for maintenance, with a quoted price of 580 yuan/ton, representing an increase of 30 yuan/ton. Chempricehub analysis of hydrogen peroxide, long-short rating: 1. The article reports that some hydrogen peroxide units of Shandong Jincheng Petrochemical Group are undergoing maintenance shutdowns, leading to reduced supply and a price increase of 30 yuan/ton to 580 yuan/ton. This indicates tight supply in the spot market, relatively stable demand, and upward pressure on prices. This event generally supports the spot price of hydrogen peroxide, with a rating of +1.0.