How to connect the base of the tower crane and the flat steel? How can it be welded and connected?
And the tower back to the set screw connection, generally need a group, that is, tower crane foundation diagonal two lines, two ground connection! The distance should be more than six meters.
How to connect the base of the tower crane and the flat steel?:It can be punched on a flat iron and connected by screws and multiple copper wires
