... washing machine (roughing device), jig (cleaning equipment),it is used for the completion of ore washing, chose, crushing, screening, conveying, ... winch system: it is made up of the big arm lifting winch, bow rope winch, raised anchor winch, sliding winch, etc ... ., it is used for operating of the entering ship, changing ship, mooring ship and submarine sliding and lifting arm upgrade(Weifang Lingwei ...