... for mine shaft lifting and pulling.speed 1 to 2 meter/second.The features:1.set one manual belt type brake and ... to operation, safe and reliable. resistance and joystick control for speed adjust.3.with depth indication, emergency stop, power failure safety ... varioust mine electric winch. slow speed 10m/min, middle speed 30m/min, fast speed 80-120m/min. Slow speed one:The picture of JM ...