Ladder: The factory workshop has 3 floors, the first floor is metalwork workshop, the second floor is warehouse, the third floor assembly workshop. The equipment contains cutting machine, pipe bending machine, punching machine, riveting machine, blister machine. Production ability is 2000 units per day. Welded pipe production line: high frequency machine, CNC cutting flying saw, separate pneumatic strapping machine. With an annual output of 20,000 tons. Horizontal continuous column casting process: high energy electric furnace, hardness tester, spectrometer.