On July 18, futures fluctuated higher. The offer for domestic methanol sources in Changzhou was based on 2,275 - 2,280 yuan/ton for cash exchange and can delivery, and the basis difference was based on +10 yuan/ton. Morning shipment was acceptable; the theoretical price for domestic delivery was based on 2,330 - 2,400 yuan/ton; Some mainstream merchants in Zhangjiagang area offered on 2270 yuan/ton for cash exchange and can delivery, and the basis difference was based on +5 yuan/ton for delivery, and morning shipment was average.