hoist limit switch, trolley limit switch, slewing limit switch

The limit swich we supply is used in tower crane, there are different ratio limit switch, such as 1:74,, 1:660 and so on. Shanghai Trust Equipment Company is a tower crane & tower crane steel part manufacture in China. We can supply all the main brand tower crane steel part such as mast section, anchor fra me, fixing angle,motor, brake disc, slewing reducer, motor, jib and so on.