... :18m Working Class:A5,A6 Simens Electric Parts... Lifting Gantry Crane Equipment with Hook 5tDesign and manufacture according to GB/T ... 14406 "General gantry crane".Mainly made up of bridge, trolley, crane traveling mechanism and electric system.All the procedure are finished ... , flammable, explosive, corrosion, overloading, dust and other dangerous operations electric Tower crane equipment