On August 21, futures were running strongly, and the basis of Jiangsu Taicang methanol market was strong, and spot selling was firm. In the morning, the actual order range of the spot order is 2,465 - 2,475 yuan/ton, and the basis difference is referred to the 09 contract +10~+15 yuan/ton or 01-30 yuan/ton; the 8 basis difference is 01-25 yuan/ton or 09+20 yuan/ton, and the 9 basis difference is 01+5~+7 yuan/ton