For products restructuring of 58-I type coke oven, transforming from producing FC83 coke to FC80 coke and low cost briquetting technology without binder is developed.A pilot test by 200 kg oven shows that M10 of coke is improved by 0.40% and the CSR is increased by 1.25% under the precondition of 25% coal mixed into briquetting coal and with the briquetting pressure of 25 MPa.