On August 21, futures maintained a strong consolidation. In the morning, the methanol price range in Changzhou is referenced to 2,450 - 2,460 yuan/ton, and the basis difference is referenced to Pingshui; the arbitrage space sent by China to Changzhou is basically closed; in the morning, the price range in Jingjiang area is referenced to 2,460 - 2,470 yuan/ton, and the basis difference is referenced to +10 yuan/ton; The morning price range in Zhangjiagang area is referenced to around 2,460 - 2,470 yuan/ton for cans, and the basis difference is referenced to +10 yuan/ton.