... .easy to operate 3.low price 4.long working life Coal Mining Shaft Sinking Winch 1.high quality2.easy to operate3.low ... shaft of coal ,metal and nonmetallic mine.Also this series winch can replace the construction winch to lift and carry material during ... suspension DiaoPan, water pump,, hair dryers, compressed air cylinder, grouting pipe etc tunneling equipment and tension on the rope, could also ...