... 3,X.Y.Z:1300x700x610 4,Big machine centre,Big machine centre... Big machine centre,Big machine centreBig machine centre1,Customer First 2,Table:1050x5003 ... ) the adoption of C3 grade precise ball screws and the use of special bearing on the ball screw with pre-pull ... block moves up and down, avoiding influencing the processing accuracy. Machine centre made in taiwan