biaya overhead listrik bepergian derek

Description: Overhead crane widely used in warehouses, factories, docks and outdoor storage yard, etc General electric overhead traveling crane mainly consists of running gear of bridge, crane carriage, metal construction of bridge, and crane carriage is composed of hoisting mechanism, small frame, and running gear of trolly. Hoisting mechanism, including the motor, brake ,reducer, winding drum and pulley blocks, motor driven rotating drum with reducer ,winding drum and