Not only the first grade coke can be delivered, but also other grades can be delivered. The exchange will make a discount according to the grade evaluation and quality judgment, and what grade corresponds to what price. Metallurgical coke:100t/hand; 0.5 yuan/ton; Price limit range: 4% of the settlement price of the previous trading day; Contract months: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,1,65438+February.