Optimizes the slope designandimproves limited duty corporation

Jilin nickel industry corporation mine of Fujiareducesthe mine and fills the law by the scraper. It revises the scraper to go out the mine and fills the law.On the basisof advantages of the slopewhich is 30 meters to 20 meters long andabsorbed the merit.It stated double-single line which is independentto tract the design much more clearly that back and forth together with the set up of the divided section work. It does not disturb the main mining course to improve the mining condition.