On May 12, the domestic futures closed with obvious differentiation, with the general rise of energy chemical products and the general decline of black series. PTA rose more than 5%, SC crude oil rose more than 3%, and styrene, staple fiber, methanol and fuel oil rose more than 2%. In terms of decline, Shanghai tin fell by more than 5%, coking coal fell by more than 4%, coke fell by more than 3% and ferrosilicon fell by nearly 3%. In May, several steel mills stopped production and reduced pro...