... to operate 3.low price 4.long working life Coal Mining Shaft Sinking Winch 1.high quality2.easy to ... ,water pump ,water pipe, grouting pipe, wind-cone, etc. during sinking operation on vertical shaft of coal ,metal and nonmetallic mine.Also ... USES: mainly used in coal mine, ore, non-metallic tunneling engineering of the borehole vertical suspension DiaoPan, water pump,, hair dryers, compressed ...