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JK-4×3 Widened Single-Rope Winding Type Large Mine Hoist


  In 2010, Jinmin Group developed and manufactured the JK-4×3 widened single-rope winding-type large mine hoist for Gansu Yaojie Coal & Power Group, equipping it with an NBD-1400 large planetary gearbox and a medium‑high voltage constant‑torque braking system. The unit was completed and delivered to the customer in early 2011, with installation and commissioning finalized by year’s end.