Precision: Flatness accuracy as per Gr00,Gr0 ,Gr1,Gr2,Gr3 of JB/T7974-99.Ribtype or case type,rectangle /square/ruong working surface.Working surface made by skiving,groove V/T/U shape and hole of long-rongd shape can be made at the surface of the plate.

        Testing Surface Plate,Lineing Surface Plate,Rivet Welting Plate,Accembling Surface Plate,