JK, JKB, 2JK, 2JKB series Mine Hoist conform to AQ1035, the Safety Inspection Specification of Coal Mine Single-rope Winding Mine Hoist, Q/GK01, the specification of Single-rope Winding Mine Hoist and Safety Specification of Coal Mine. JK series Mine Hoist is used mainly for raising and lowering materials and men on the ground of coal mines, metal mines and non-metal mines and in tunnels of vertical or inclined shafts. JKB series is used mainly for raising and lowering materials and men for underground, vertical and inclined shafts of coal mines and metal mines.