Enterprise information includes: machine tool factory, product information includes: cylinder, puller, hydraulic press, air compressor, milling machine, bending machine, gear pump; hydraulic system information includes: lifting platform, lifting platform, lift, CNC machine tool, metal cutting machine tool, forging machine tool, woodworking machine tool, casting machine tool, machine tool accessories and parts enterprise, wire cutting, wire cutting machine tool, CNC machine tool, large CNC machine tool, EDM wire cutting machine tool