Tensioner manufacturer is a mining machine used as lifting minerals, lifting people and materials. It is suitable for coal, non-ferrous metal, black iron metal, non-metal, chemical and other mining mines, inclined shaft lifting system, consisting of reducer, leading wheel device, engine and other parts. The increase of single rope lifting height and weight is limited by the capacity of the drum and the strength of one steel wire. Chain tensioner, its working characteristics are good, suitable for coal mines, metal mines, non-metallic mines where the depth of the shaft is relatively high, and the same as the single-rope drum hoist, the lift of mining minerals and personnel, applied to the important transport equipment for materials and equipment.