... and so on. It is used for water supply(Weifang Lingwei Machinery Co.,Ltd). and ore conveying.5. The winch system: ... of the big arm lifting winch, bow rope winch, raised anchor winch, sliding winch, etc., it is used for operating of the entering ... system, generator control, electric drive, electrical control and lighting components, It is used for driving and controlling the mining, mineral selecting, ...